Home / 60,913.31-91,397.23-38,720.93

Finding the Fourth Proportional to 60,913.31, 91,397.23 and 38,720.93

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Solution

The fourth proportional to 60,913.31, 91,397.23 and 38,720.93 is: 58,098.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,913.31 : 91,397.23 = 38,720.93 : x
  2. Step 2: Convert to fraction form
    60,913.31/91,397.23 = 38,720.93/x
  3. Step 3: Cross multiply
    60,913.31x = 91,397.23 × 38,720.93
  4. Step 4: Simplify right side
    60,913.31x = 3,538,985,191.24
  5. Step 5: Solve for x
    x = 3,538,985,191.24/60,913.31
  6. Step 6: Final answer
    x = 58,098.72

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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.