Home / 54,122.06-81,148.70-47,471.91

Finding the Fourth Proportional to 54,122.06, 81,148.70 and 47,471.91

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Solution

The fourth proportional to 54,122.06, 81,148.70 and 47,471.91 is: 71,177.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,122.06 : 81,148.70 = 47,471.91 : x
  2. Step 2: Convert to fraction form
    54,122.06/81,148.70 = 47,471.91/x
  3. Step 3: Cross multiply
    54,122.06x = 81,148.70 × 47,471.91
  4. Step 4: Simplify right side
    54,122.06x = 3,852,283,545.66
  5. Step 5: Solve for x
    x = 3,852,283,545.66/54,122.06
  6. Step 6: Final answer
    x = 71,177.70

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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.