Home / 124,701.89-187,079.09-40,455.47

Finding the Fourth Proportional to 124,701.89, 187,079.09 and 40,455.47

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Solution

The fourth proportional to 124,701.89, 187,079.09 and 40,455.47 is: 60,691.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,701.89 : 187,079.09 = 40,455.47 : x
  2. Step 2: Convert to fraction form
    124,701.89/187,079.09 = 40,455.47/x
  3. Step 3: Cross multiply
    124,701.89x = 187,079.09 × 40,455.47
  4. Step 4: Simplify right side
    124,701.89x = 7,568,372,778.54
  5. Step 5: Solve for x
    x = 7,568,372,778.54/124,701.89
  6. Step 6: Final answer
    x = 60,691.73

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1.5x scale

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.