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Finding the Fourth Proportional to 73,515.82, 101,362.17 and 62,165.02

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Solution

The fourth proportional to 73,515.82, 101,362.17 and 62,165.02 is: 85,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,515.82 : 101,362.17 = 62,165.02 : x
  2. Step 2: Convert to fraction form
    73,515.82/101,362.17 = 62,165.02/x
  3. Step 3: Cross multiply
    73,515.82x = 101,362.17 × 62,165.02
  4. Step 4: Simplify right side
    73,515.82x = 6,301,181,325.29
  5. Step 5: Solve for x
    x = 6,301,181,325.29/73,515.82
  6. Step 6: Final answer
    x = 85,711.91

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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.