Home / 97,712.60-146,469.24-38,515.40

Finding the Fourth Proportional to 97,712.60, 146,469.24 and 38,515.40

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Solution

The fourth proportional to 97,712.60, 146,469.24 and 38,515.40 is: 57,733.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,712.60 : 146,469.24 = 38,515.40 : x
  2. Step 2: Convert to fraction form
    97,712.60/146,469.24 = 38,515.40/x
  3. Step 3: Cross multiply
    97,712.60x = 146,469.24 × 38,515.40
  4. Step 4: Simplify right side
    97,712.60x = 5,641,321,366.30
  5. Step 5: Solve for x
    x = 5,641,321,366.30/97,712.60
  6. Step 6: Final answer
    x = 57,733.82

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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.