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Finding the Fourth Proportional to 73,429, 101,332.03 and 39,895

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Solution

The fourth proportional to 73,429, 101,332.03 and 39,895 is: 55,055.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,429 : 101,332.03 = 39,895 : x
  2. Step 2: Convert to fraction form
    73,429/101,332.03 = 39,895/x
  3. Step 3: Cross multiply
    73,429x = 101,332.03 × 39,895
  4. Step 4: Simplify right side
    73,429x = 4,042,641,336.85
  5. Step 5: Solve for x
    x = 4,042,641,336.85/73,429
  6. Step 6: Final answer
    x = 55,055.11

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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.