Home / 106,742.78-147,296.17-58,996.12

Finding the Fourth Proportional to 106,742.78, 147,296.17 and 58,996.12

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Solution

The fourth proportional to 106,742.78, 147,296.17 and 58,996.12 is: 81,409.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,742.78 : 147,296.17 = 58,996.12 : x
  2. Step 2: Convert to fraction form
    106,742.78/147,296.17 = 58,996.12/x
  3. Step 3: Cross multiply
    106,742.78x = 147,296.17 × 58,996.12
  4. Step 4: Simplify right side
    106,742.78x = 8,689,902,520.86
  5. Step 5: Solve for x
    x = 8,689,902,520.86/106,742.78
  6. Step 6: Final answer
    x = 81,409.75

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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.