Home / 83,925.28-125,878.96-52,667.68

Finding the Fourth Proportional to 83,925.28, 125,878.96 and 52,667.68

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Solution

The fourth proportional to 83,925.28, 125,878.96 and 52,667.68 is: 78,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,925.28 : 125,878.96 = 52,667.68 : x
  2. Step 2: Convert to fraction form
    83,925.28/125,878.96 = 52,667.68/x
  3. Step 3: Cross multiply
    83,925.28x = 125,878.96 × 52,667.68
  4. Step 4: Simplify right side
    83,925.28x = 6,629,752,784.01
  5. Step 5: Solve for x
    x = 6,629,752,784.01/83,925.28
  6. Step 6: Final answer
    x = 78,995.90

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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.