Home / 67,481.13-93,105.18-38,799.21

Finding the Fourth Proportional to 67,481.13, 93,105.18 and 38,799.21

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Solution

The fourth proportional to 67,481.13, 93,105.18 and 38,799.21 is: 53,532.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,481.13 : 93,105.18 = 38,799.21 : x
  2. Step 2: Convert to fraction form
    67,481.13/93,105.18 = 38,799.21/x
  3. Step 3: Cross multiply
    67,481.13x = 93,105.18 × 38,799.21
  4. Step 4: Simplify right side
    67,481.13x = 3,612,407,430.91
  5. Step 5: Solve for x
    x = 3,612,407,430.91/67,481.13
  6. Step 6: Final answer
    x = 53,532.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.