Home / 83,871.22-125,677.63-38,864.81

Finding the Fourth Proportional to 83,871.22, 125,677.63 and 38,864.81

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Solution

The fourth proportional to 83,871.22, 125,677.63 and 38,864.81 is: 58,237.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,871.22 : 125,677.63 = 38,864.81 : x
  2. Step 2: Convert to fraction form
    83,871.22/125,677.63 = 38,864.81/x
  3. Step 3: Cross multiply
    83,871.22x = 125,677.63 × 38,864.81
  4. Step 4: Simplify right side
    83,871.22x = 4,884,437,355.36
  5. Step 5: Solve for x
    x = 4,884,437,355.36/83,871.22
  6. Step 6: Final answer
    x = 58,237.35

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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.