Home / 83,169.25-114,776.40-45,445.93

Finding the Fourth Proportional to 83,169.25, 114,776.40 and 45,445.93

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Solution

The fourth proportional to 83,169.25, 114,776.40 and 45,445.93 is: 62,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,169.25 : 114,776.40 = 45,445.93 : x
  2. Step 2: Convert to fraction form
    83,169.25/114,776.40 = 45,445.93/x
  3. Step 3: Cross multiply
    83,169.25x = 114,776.40 × 45,445.93
  4. Step 4: Simplify right side
    83,169.25x = 5,216,120,240.05
  5. Step 5: Solve for x
    x = 5,216,120,240.05/83,169.25
  6. Step 6: Final answer
    x = 62,716.93

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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.