Home / 83,757.45-115,585.74-45,517.32

Finding the Fourth Proportional to 83,757.45, 115,585.74 and 45,517.32

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Solution

The fourth proportional to 83,757.45, 115,585.74 and 45,517.32 is: 62,814.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,757.45 : 115,585.74 = 45,517.32 : x
  2. Step 2: Convert to fraction form
    83,757.45/115,585.74 = 45,517.32/x
  3. Step 3: Cross multiply
    83,757.45x = 115,585.74 × 45,517.32
  4. Step 4: Simplify right side
    83,757.45x = 5,261,153,115.02
  5. Step 5: Solve for x
    x = 5,261,153,115.02/83,757.45
  6. Step 6: Final answer
    x = 62,814.15

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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.