Home / 83,001.70-124,490.40-23,831.20

Finding the Fourth Proportional to 83,001.70, 124,490.40 and 23,831.20

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Solution

The fourth proportional to 83,001.70, 124,490.40 and 23,831.20 is: 35,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,001.70 : 124,490.40 = 23,831.20 : x
  2. Step 2: Convert to fraction form
    83,001.70/124,490.40 = 23,831.20/x
  3. Step 3: Cross multiply
    83,001.70x = 124,490.40 × 23,831.20
  4. Step 4: Simplify right side
    83,001.70x = 2,966,755,620.48
  5. Step 5: Solve for x
    x = 2,966,755,620.48/83,001.70
  6. Step 6: Final answer
    x = 35,743.31

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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.