Home / 83,725.20-115,542.84-45,484.74

Finding the Fourth Proportional to 83,725.20, 115,542.84 and 45,484.74

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Solution

The fourth proportional to 83,725.20, 115,542.84 and 45,484.74 is: 62,770.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,725.20 : 115,542.84 = 45,484.74 : x
  2. Step 2: Convert to fraction form
    83,725.20/115,542.84 = 45,484.74/x
  3. Step 3: Cross multiply
    83,725.20x = 115,542.84 × 45,484.74
  4. Step 4: Simplify right side
    83,725.20x = 5,255,436,036.26
  5. Step 5: Solve for x
    x = 5,255,436,036.26/83,725.20
  6. Step 6: Final answer
    x = 62,770.06

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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.