Home / 123,733.48-170,752.68-67,144.87

Finding the Fourth Proportional to 123,733.48, 170,752.68 and 67,144.87

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Solution

The fourth proportional to 123,733.48, 170,752.68 and 67,144.87 is: 92,660.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,733.48 : 170,752.68 = 67,144.87 : x
  2. Step 2: Convert to fraction form
    123,733.48/170,752.68 = 67,144.87/x
  3. Step 3: Cross multiply
    123,733.48x = 170,752.68 × 67,144.87
  4. Step 4: Simplify right side
    123,733.48x = 11,465,166,500.75
  5. Step 5: Solve for x
    x = 11,465,166,500.75/123,733.48
  6. Step 6: Final answer
    x = 92,660.18

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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.