Home / 66,935.72-100,371.24-38,862.83

Finding the Fourth Proportional to 66,935.72, 100,371.24 and 38,862.83

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Solution

The fourth proportional to 66,935.72, 100,371.24 and 38,862.83 is: 58,275.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,935.72 : 100,371.24 = 38,862.83 : x
  2. Step 2: Convert to fraction form
    66,935.72/100,371.24 = 38,862.83/x
  3. Step 3: Cross multiply
    66,935.72x = 100,371.24 × 38,862.83
  4. Step 4: Simplify right side
    66,935.72x = 3,900,709,935.15
  5. Step 5: Solve for x
    x = 3,900,709,935.15/66,935.72
  6. Step 6: Final answer
    x = 58,275.47

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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.