Home / 82,384.92-123,598.14-38,042.76

Finding the Fourth Proportional to 82,384.92, 123,598.14 and 38,042.76

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Solution

The fourth proportional to 82,384.92, 123,598.14 and 38,042.76 is: 57,073.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,384.92 : 123,598.14 = 38,042.76 : x
  2. Step 2: Convert to fraction form
    82,384.92/123,598.14 = 38,042.76/x
  3. Step 3: Cross multiply
    82,384.92x = 123,598.14 × 38,042.76
  4. Step 4: Simplify right side
    82,384.92x = 4,702,014,376.47
  5. Step 5: Solve for x
    x = 4,702,014,376.47/82,384.92
  6. Step 6: Final answer
    x = 57,073.73

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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.