Home / 83,710.83-115,521.90-45,470.73

Finding the Fourth Proportional to 83,710.83, 115,521.90 and 45,470.73

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Solution

The fourth proportional to 83,710.83, 115,521.90 and 45,470.73 is: 62,750.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,710.83 : 115,521.90 = 45,470.73 : x
  2. Step 2: Convert to fraction form
    83,710.83/115,521.90 = 45,470.73/x
  3. Step 3: Cross multiply
    83,710.83x = 115,521.90 × 45,470.73
  4. Step 4: Simplify right side
    83,710.83x = 5,252,865,123.99
  5. Step 5: Solve for x
    x = 5,252,865,123.99/83,710.83
  6. Step 6: Final answer
    x = 62,750.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.