Home / 67,519.92-93,172.11-39,227.46

Finding the Fourth Proportional to 67,519.92, 93,172.11 and 39,227.46

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Solution

The fourth proportional to 67,519.92, 93,172.11 and 39,227.46 is: 54,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,519.92 : 93,172.11 = 39,227.46 : x
  2. Step 2: Convert to fraction form
    67,519.92/93,172.11 = 39,227.46/x
  3. Step 3: Cross multiply
    67,519.92x = 93,172.11 × 39,227.46
  4. Step 4: Simplify right side
    67,519.92x = 3,654,905,218.14
  5. Step 5: Solve for x
    x = 3,654,905,218.14/67,519.92
  6. Step 6: Final answer
    x = 54,130.77

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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.