Home / 82,891.91-124,240.48-38,425.07

Finding the Fourth Proportional to 82,891.91, 124,240.48 and 38,425.07

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Solution

The fourth proportional to 82,891.91, 124,240.48 and 38,425.07 is: 57,592.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,891.91 : 124,240.48 = 38,425.07 : x
  2. Step 2: Convert to fraction form
    82,891.91/124,240.48 = 38,425.07/x
  3. Step 3: Cross multiply
    82,891.91x = 124,240.48 × 38,425.07
  4. Step 4: Simplify right side
    82,891.91x = 4,773,949,355.37
  5. Step 5: Solve for x
    x = 4,773,949,355.37/82,891.91
  6. Step 6: Final answer
    x = 57,592.46

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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.