Home / 124,805.54-187,225.92-40,538.72

Finding the Fourth Proportional to 124,805.54, 187,225.92 and 40,538.72

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Solution

The fourth proportional to 124,805.54, 187,225.92 and 40,538.72 is: 60,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,805.54 : 187,225.92 = 40,538.72 : x
  2. Step 2: Convert to fraction form
    124,805.54/187,225.92 = 40,538.72/x
  3. Step 3: Cross multiply
    124,805.54x = 187,225.92 × 40,538.72
  4. Step 4: Simplify right side
    124,805.54x = 7,589,899,147.62
  5. Step 5: Solve for x
    x = 7,589,899,147.62/124,805.54
  6. Step 6: Final answer
    x = 60,813.80

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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.