Home / 124,981.29-187,515.68-36,240.12

Finding the Fourth Proportional to 124,981.29, 187,515.68 and 36,240.12

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Solution

The fourth proportional to 124,981.29, 187,515.68 and 36,240.12 is: 54,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,981.29 : 187,515.68 = 36,240.12 : x
  2. Step 2: Convert to fraction form
    124,981.29/187,515.68 = 36,240.12/x
  3. Step 3: Cross multiply
    124,981.29x = 187,515.68 × 36,240.12
  4. Step 4: Simplify right side
    124,981.29x = 6,795,590,745.08
  5. Step 5: Solve for x
    x = 6,795,590,745.08/124,981.29
  6. Step 6: Final answer
    x = 54,372.86

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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.