Home / 82,888.06-124,331.98-38,490.54

Finding the Fourth Proportional to 82,888.06, 124,331.98 and 38,490.54

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Solution

The fourth proportional to 82,888.06, 124,331.98 and 38,490.54 is: 57,735.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,888.06 : 124,331.98 = 38,490.54 : x
  2. Step 2: Convert to fraction form
    82,888.06/124,331.98 = 38,490.54/x
  3. Step 3: Cross multiply
    82,888.06x = 124,331.98 × 38,490.54
  4. Step 4: Simplify right side
    82,888.06x = 4,785,605,049.47
  5. Step 5: Solve for x
    x = 4,785,605,049.47/82,888.06
  6. Step 6: Final answer
    x = 57,735.76

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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.