Home / 83,930.08-115,826.34-45,691.02

Finding the Fourth Proportional to 83,930.08, 115,826.34 and 45,691.02

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Solution

The fourth proportional to 83,930.08, 115,826.34 and 45,691.02 is: 63,055.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,930.08 : 115,826.34 = 45,691.02 : x
  2. Step 2: Convert to fraction form
    83,930.08/115,826.34 = 45,691.02/x
  3. Step 3: Cross multiply
    83,930.08x = 115,826.34 × 45,691.02
  4. Step 4: Simplify right side
    83,930.08x = 5,292,223,617.47
  5. Step 5: Solve for x
    x = 5,292,223,617.47/83,930.08
  6. Step 6: Final answer
    x = 63,055.15

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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.