Home / 83,875.40-125,843.97-38,918.27

Finding the Fourth Proportional to 83,875.40, 125,843.97 and 38,918.27

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Solution

The fourth proportional to 83,875.40, 125,843.97 and 38,918.27 is: 58,391.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,875.40 : 125,843.97 = 38,918.27 : x
  2. Step 2: Convert to fraction form
    83,875.40/125,843.97 = 38,918.27/x
  3. Step 3: Cross multiply
    83,875.40x = 125,843.97 × 38,918.27
  4. Step 4: Simplify right side
    83,875.40x = 4,897,628,973.11
  5. Step 5: Solve for x
    x = 4,897,628,973.11/83,875.40
  6. Step 6: Final answer
    x = 58,391.72

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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.