Home / 124,821.13-187,231.69-41,715.13

Finding the Fourth Proportional to 124,821.13, 187,231.69 and 41,715.13

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Solution

The fourth proportional to 124,821.13, 187,231.69 and 41,715.13 is: 62,572.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,821.13 : 187,231.69 = 41,715.13 : x
  2. Step 2: Convert to fraction form
    124,821.13/187,231.69 = 41,715.13/x
  3. Step 3: Cross multiply
    124,821.13x = 187,231.69 × 41,715.13
  4. Step 4: Simplify right side
    124,821.13x = 7,810,394,288.47
  5. Step 5: Solve for x
    x = 7,810,394,288.47/124,821.13
  6. Step 6: Final answer
    x = 62,572.69

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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.