Home / 83,729.26-115,548.51-45,488.43

Finding the Fourth Proportional to 83,729.26, 115,548.51 and 45,488.43

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Solution

The fourth proportional to 83,729.26, 115,548.51 and 45,488.43 is: 62,775.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,729.26 : 115,548.51 = 45,488.43 : x
  2. Step 2: Convert to fraction form
    83,729.26/115,548.51 = 45,488.43/x
  3. Step 3: Cross multiply
    83,729.26x = 115,548.51 × 45,488.43
  4. Step 4: Simplify right side
    83,729.26x = 5,256,119,503.55
  5. Step 5: Solve for x
    x = 5,256,119,503.55/83,729.26
  6. Step 6: Final answer
    x = 62,775.18

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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.