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Finding the Fourth Proportional to 73,468.54, 101,386.11 and 39,934.54

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Solution

The fourth proportional to 73,468.54, 101,386.11 and 39,934.54 is: 55,109.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,468.54 : 101,386.11 = 39,934.54 : x
  2. Step 2: Convert to fraction form
    73,468.54/101,386.11 = 39,934.54/x
  3. Step 3: Cross multiply
    73,468.54x = 101,386.11 × 39,934.54
  4. Step 4: Simplify right side
    73,468.54x = 4,048,807,665.24
  5. Step 5: Solve for x
    x = 4,048,807,665.24/73,468.54
  6. Step 6: Final answer
    x = 55,109.41

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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.