Home / 124,761.28-187,148.40-62,410.72

Finding the Fourth Proportional to 124,761.28, 187,148.40 and 62,410.72

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Solution

The fourth proportional to 124,761.28, 187,148.40 and 62,410.72 is: 93,619.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,761.28 : 187,148.40 = 62,410.72 : x
  2. Step 2: Convert to fraction form
    124,761.28/187,148.40 = 62,410.72/x
  3. Step 3: Cross multiply
    124,761.28x = 187,148.40 × 62,410.72
  4. Step 4: Simplify right side
    124,761.28x = 11,680,066,390.85
  5. Step 5: Solve for x
    x = 11,680,066,390.85/124,761.28
  6. Step 6: Final answer
    x = 93,619.32

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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.