Home / 83,931.64-125,721.82-50,634.11

Finding the Fourth Proportional to 83,931.64, 125,721.82 and 50,634.11

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Solution

The fourth proportional to 83,931.64, 125,721.82 and 50,634.11 is: 75,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,931.64 : 125,721.82 = 50,634.11 : x
  2. Step 2: Convert to fraction form
    83,931.64/125,721.82 = 50,634.11/x
  3. Step 3: Cross multiply
    83,931.64x = 125,721.82 × 50,634.11
  4. Step 4: Simplify right side
    83,931.64x = 6,365,812,840.88
  5. Step 5: Solve for x
    x = 6,365,812,840.88/83,931.64
  6. Step 6: Final answer
    x = 75,845.21

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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.