Home / 123,669.60-185,519.19-43,691.01

Finding the Fourth Proportional to 123,669.60, 185,519.19 and 43,691.01

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Solution

The fourth proportional to 123,669.60, 185,519.19 and 43,691.01 is: 65,541.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,669.60 : 185,519.19 = 43,691.01 : x
  2. Step 2: Convert to fraction form
    123,669.60/185,519.19 = 43,691.01/x
  3. Step 3: Cross multiply
    123,669.60x = 185,519.19 × 43,691.01
  4. Step 4: Simplify right side
    123,669.60x = 8,105,520,785.48
  5. Step 5: Solve for x
    x = 8,105,520,785.48/123,669.60
  6. Step 6: Final answer
    x = 65,541.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.