Home / 124,839.85-187,306.91-74,954.72

Finding the Fourth Proportional to 124,839.85, 187,306.91 and 74,954.72

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Solution

The fourth proportional to 124,839.85, 187,306.91 and 74,954.72 is: 112,460.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,839.85 : 187,306.91 = 74,954.72 : x
  2. Step 2: Convert to fraction form
    124,839.85/187,306.91 = 74,954.72/x
  3. Step 3: Cross multiply
    124,839.85x = 187,306.91 × 74,954.72
  4. Step 4: Simplify right side
    124,839.85x = 14,039,536,993.12
  5. Step 5: Solve for x
    x = 14,039,536,993.12/124,839.85
  6. Step 6: Final answer
    x = 112,460.38

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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.