Home / 124,126.65-186,044.18-57,425.90

Finding the Fourth Proportional to 124,126.65, 186,044.18 and 57,425.90

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Solution

The fourth proportional to 124,126.65, 186,044.18 and 57,425.90 is: 86,071.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,126.65 : 186,044.18 = 57,425.90 : x
  2. Step 2: Convert to fraction form
    124,126.65/186,044.18 = 57,425.90/x
  3. Step 3: Cross multiply
    124,126.65x = 186,044.18 × 57,425.90
  4. Step 4: Simplify right side
    124,126.65x = 10,683,753,258.91
  5. Step 5: Solve for x
    x = 10,683,753,258.91/124,126.65
  6. Step 6: Final answer
    x = 86,071.39

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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.