Home / 83,178.26-124,730.33-23,999.87

Finding the Fourth Proportional to 83,178.26, 124,730.33 and 23,999.87

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Solution

The fourth proportional to 83,178.26, 124,730.33 and 23,999.87 is: 35,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,178.26 : 124,730.33 = 23,999.87 : x
  2. Step 2: Convert to fraction form
    83,178.26/124,730.33 = 23,999.87/x
  3. Step 3: Cross multiply
    83,178.26x = 124,730.33 × 23,999.87
  4. Step 4: Simplify right side
    83,178.26x = 2,993,510,961.41
  5. Step 5: Solve for x
    x = 2,993,510,961.41/83,178.26
  6. Step 6: Final answer
    x = 35,989.11

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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.