Home / 82,291.76-123,473.30-29,021.81

Finding the Fourth Proportional to 82,291.76, 123,473.30 and 29,021.81

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Solution

The fourth proportional to 82,291.76, 123,473.30 and 29,021.81 is: 43,545.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,291.76 : 123,473.30 = 29,021.81 : x
  2. Step 2: Convert to fraction form
    82,291.76/123,473.30 = 29,021.81/x
  3. Step 3: Cross multiply
    82,291.76x = 123,473.30 × 29,021.81
  4. Step 4: Simplify right side
    82,291.76x = 3,583,417,890.20
  5. Step 5: Solve for x
    x = 3,583,417,890.20/82,291.76
  6. Step 6: Final answer
    x = 43,545.28

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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.