Home / 102,661.68-141,633.36-60,204.72

Finding the Fourth Proportional to 102,661.68, 141,633.36 and 60,204.72

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Solution

The fourth proportional to 102,661.68, 141,633.36 and 60,204.72 is: 83,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,661.68 : 141,633.36 = 60,204.72 : x
  2. Step 2: Convert to fraction form
    102,661.68/141,633.36 = 60,204.72/x
  3. Step 3: Cross multiply
    102,661.68x = 141,633.36 × 60,204.72
  4. Step 4: Simplify right side
    102,661.68x = 8,526,996,781.46
  5. Step 5: Solve for x
    x = 8,526,996,781.46/102,661.68
  6. Step 6: Final answer
    x = 83,059.20

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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.