Home / 124,701.78-187,115.24-58,147.11

Finding the Fourth Proportional to 124,701.78, 187,115.24 and 58,147.11

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Solution

The fourth proportional to 124,701.78, 187,115.24 and 58,147.11 is: 87,249.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,701.78 : 187,115.24 = 58,147.11 : x
  2. Step 2: Convert to fraction form
    124,701.78/187,115.24 = 58,147.11/x
  3. Step 3: Cross multiply
    124,701.78x = 187,115.24 × 58,147.11
  4. Step 4: Simplify right side
    124,701.78x = 10,880,210,620.01
  5. Step 5: Solve for x
    x = 10,880,210,620.01/124,701.78
  6. Step 6: Final answer
    x = 87,249.85

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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.