Home / 83,580.43-115,337.23-45,853.87

Finding the Fourth Proportional to 83,580.43, 115,337.23 and 45,853.87

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Solution

The fourth proportional to 83,580.43, 115,337.23 and 45,853.87 is: 63,276.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,580.43 : 115,337.23 = 45,853.87 : x
  2. Step 2: Convert to fraction form
    83,580.43/115,337.23 = 45,853.87/x
  3. Step 3: Cross multiply
    83,580.43x = 115,337.23 × 45,853.87
  4. Step 4: Simplify right side
    83,580.43x = 5,288,658,350.58
  5. Step 5: Solve for x
    x = 5,288,658,350.58/83,580.43
  6. Step 6: Final answer
    x = 63,276.28

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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.