Home / 83,456.12-125,194.79-26,509.71

Finding the Fourth Proportional to 83,456.12, 125,194.79 and 26,509.71

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Solution

The fourth proportional to 83,456.12, 125,194.79 and 26,509.71 is: 39,767.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,456.12 : 125,194.79 = 26,509.71 : x
  2. Step 2: Convert to fraction form
    83,456.12/125,194.79 = 26,509.71/x
  3. Step 3: Cross multiply
    83,456.12x = 125,194.79 × 26,509.71
  4. Step 4: Simplify right side
    83,456.12x = 3,318,877,617.83
  5. Step 5: Solve for x
    x = 3,318,877,617.83/83,456.12
  6. Step 6: Final answer
    x = 39,767.94

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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.