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Finding the Fourth Proportional to 60,001.70, 90,002.55 and 28,897.70

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Solution

The fourth proportional to 60,001.70, 90,002.55 and 28,897.70 is: 43,346.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,001.70 : 90,002.55 = 28,897.70 : x
  2. Step 2: Convert to fraction form
    60,001.70/90,002.55 = 28,897.70/x
  3. Step 3: Cross multiply
    60,001.70x = 90,002.55 × 28,897.70
  4. Step 4: Simplify right side
    60,001.70x = 2,600,866,689.14
  5. Step 5: Solve for x
    x = 2,600,866,689.14/60,001.70
  6. Step 6: Final answer
    x = 43,346.55

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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.