Home / 83,164.13-114,766.50-45,438.65

Finding the Fourth Proportional to 83,164.13, 114,766.50 and 45,438.65

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Solution

The fourth proportional to 83,164.13, 114,766.50 and 45,438.65 is: 62,705.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,164.13 : 114,766.50 = 45,438.65 : x
  2. Step 2: Convert to fraction form
    83,164.13/114,766.50 = 45,438.65/x
  3. Step 3: Cross multiply
    83,164.13x = 114,766.50 × 45,438.65
  4. Step 4: Simplify right side
    83,164.13x = 5,214,834,251.39
  5. Step 5: Solve for x
    x = 5,214,834,251.39/83,164.13
  6. Step 6: Final answer
    x = 62,705.33

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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.