Home / 82,747.80-124,122.24-56,387.16

Finding the Fourth Proportional to 82,747.80, 124,122.24 and 56,387.16

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Solution

The fourth proportional to 82,747.80, 124,122.24 and 56,387.16 is: 84,581.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,747.80 : 124,122.24 = 56,387.16 : x
  2. Step 2: Convert to fraction form
    82,747.80/124,122.24 = 56,387.16/x
  3. Step 3: Cross multiply
    82,747.80x = 124,122.24 × 56,387.16
  4. Step 4: Simplify right side
    82,747.80x = 6,998,900,606.44
  5. Step 5: Solve for x
    x = 6,998,900,606.44/82,747.80
  6. Step 6: Final answer
    x = 84,581.11

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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.