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Finding the Fourth Proportional to 73,468.68, 101,386.02 and 39,934.44

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Solution

The fourth proportional to 73,468.68, 101,386.02 and 39,934.44 is: 55,109.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,468.68 : 101,386.02 = 39,934.44 : x
  2. Step 2: Convert to fraction form
    73,468.68/101,386.02 = 39,934.44/x
  3. Step 3: Cross multiply
    73,468.68x = 101,386.02 × 39,934.44
  4. Step 4: Simplify right side
    73,468.68x = 4,048,793,932.53
  5. Step 5: Solve for x
    x = 4,048,793,932.53/73,468.68
  6. Step 6: Final answer
    x = 55,109.11

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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.