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Finding the Fourth Proportional to 82,607.80, 113,998.74 and 44,882.20

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Solution

The fourth proportional to 82,607.80, 113,998.74 and 44,882.20 is: 61,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,607.80 : 113,998.74 = 44,882.20 : x
  2. Step 2: Convert to fraction form
    82,607.80/113,998.74 = 44,882.20/x
  3. Step 3: Cross multiply
    82,607.80x = 113,998.74 × 44,882.20
  4. Step 4: Simplify right side
    82,607.80x = 5,116,514,248.43
  5. Step 5: Solve for x
    x = 5,116,514,248.43/82,607.80
  6. Step 6: Final answer
    x = 61,937.42

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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.