Home / 83,679.78-125,519.67-24,515.45

Finding the Fourth Proportional to 83,679.78, 125,519.67 and 24,515.45

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Solution

The fourth proportional to 83,679.78, 125,519.67 and 24,515.45 is: 36,773.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,679.78 : 125,519.67 = 24,515.45 : x
  2. Step 2: Convert to fraction form
    83,679.78/125,519.67 = 24,515.45/x
  3. Step 3: Cross multiply
    83,679.78x = 125,519.67 × 24,515.45
  4. Step 4: Simplify right side
    83,679.78x = 3,077,171,071.32
  5. Step 5: Solve for x
    x = 3,077,171,071.32/83,679.78
  6. Step 6: Final answer
    x = 36,773.17

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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.