Home / 63,915.62-88,210.13-38,430.29

Finding the Fourth Proportional to 63,915.62, 88,210.13 and 38,430.29

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Solution

The fourth proportional to 63,915.62, 88,210.13 and 38,430.29 is: 53,037.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,915.62 : 88,210.13 = 38,430.29 : x
  2. Step 2: Convert to fraction form
    63,915.62/88,210.13 = 38,430.29/x
  3. Step 3: Cross multiply
    63,915.62x = 88,210.13 × 38,430.29
  4. Step 4: Simplify right side
    63,915.62x = 3,389,940,684.69
  5. Step 5: Solve for x
    x = 3,389,940,684.69/63,915.62
  6. Step 6: Final answer
    x = 53,037.75

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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.