Home / 83,387.33-115,074.58-45,146.90

Finding the Fourth Proportional to 83,387.33, 115,074.58 and 45,146.90

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Solution

The fourth proportional to 83,387.33, 115,074.58 and 45,146.90 is: 62,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,387.33 : 115,074.58 = 45,146.90 : x
  2. Step 2: Convert to fraction form
    83,387.33/115,074.58 = 45,146.90/x
  3. Step 3: Cross multiply
    83,387.33x = 115,074.58 × 45,146.90
  4. Step 4: Simplify right side
    83,387.33x = 5,195,260,730.62
  5. Step 5: Solve for x
    x = 5,195,260,730.62/83,387.33
  6. Step 6: Final answer
    x = 62,302.76

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1.5x scale

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.