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Finding the Fourth Proportional to 60,000.60, 90,000.90 and 37,911.90

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Solution

The fourth proportional to 60,000.60, 90,000.90 and 37,911.90 is: 56,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,000.60 : 90,000.90 = 37,911.90 : x
  2. Step 2: Convert to fraction form
    60,000.60/90,000.90 = 37,911.90/x
  3. Step 3: Cross multiply
    60,000.60x = 90,000.90 × 37,911.90
  4. Step 4: Simplify right side
    60,000.60x = 3,412,105,120.71
  5. Step 5: Solve for x
    x = 3,412,105,120.71/60,000.60
  6. Step 6: Final answer
    x = 56,867.85

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.