Home / 63,966.11-88,191.18-43,788.20

Finding the Fourth Proportional to 63,966.11, 88,191.18 and 43,788.20

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Solution

The fourth proportional to 63,966.11, 88,191.18 and 43,788.20 is: 60,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,966.11 : 88,191.18 = 43,788.20 : x
  2. Step 2: Convert to fraction form
    63,966.11/88,191.18 = 43,788.20/x
  3. Step 3: Cross multiply
    63,966.11x = 88,191.18 × 43,788.20
  4. Step 4: Simplify right side
    63,966.11x = 3,861,732,587.12
  5. Step 5: Solve for x
    x = 3,861,732,587.12/63,966.11
  6. Step 6: Final answer
    x = 60,371.55

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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.