Home / 71,002.73-106,402.61-52,134.75

Finding the Fourth Proportional to 71,002.73, 106,402.61 and 52,134.75

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Solution

The fourth proportional to 71,002.73, 106,402.61 and 52,134.75 is: 78,127.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,002.73 : 106,402.61 = 52,134.75 : x
  2. Step 2: Convert to fraction form
    71,002.73/106,402.61 = 52,134.75/x
  3. Step 3: Cross multiply
    71,002.73x = 106,402.61 × 52,134.75
  4. Step 4: Simplify right side
    71,002.73x = 5,547,273,602.03
  5. Step 5: Solve for x
    x = 5,547,273,602.03/71,002.73
  6. Step 6: Final answer
    x = 78,127.61

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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.