Home / 102,871.17-141,977.33-62,577.11

Finding the Fourth Proportional to 102,871.17, 141,977.33 and 62,577.11

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Solution

The fourth proportional to 102,871.17, 141,977.33 and 62,577.11 is: 86,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,871.17 : 141,977.33 = 62,577.11 : x
  2. Step 2: Convert to fraction form
    102,871.17/141,977.33 = 62,577.11/x
  3. Step 3: Cross multiply
    102,871.17x = 141,977.33 × 62,577.11
  4. Step 4: Simplify right side
    102,871.17x = 8,884,530,996.92
  5. Step 5: Solve for x
    x = 8,884,530,996.92/102,871.17
  6. Step 6: Final answer
    x = 86,365.61

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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.