Home / 124,747.68-187,134.12-40,504.32

Finding the Fourth Proportional to 124,747.68, 187,134.12 and 40,504.32

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Solution

The fourth proportional to 124,747.68, 187,134.12 and 40,504.32 is: 60,760.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,747.68 : 187,134.12 = 40,504.32 : x
  2. Step 2: Convert to fraction form
    124,747.68/187,134.12 = 40,504.32/x
  3. Step 3: Cross multiply
    124,747.68x = 187,134.12 × 40,504.32
  4. Step 4: Simplify right side
    124,747.68x = 7,579,740,279.40
  5. Step 5: Solve for x
    x = 7,579,740,279.40/124,747.68
  6. Step 6: Final answer
    x = 60,760.57

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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.