Home / 83,728.21-125,582.40-23,761.96

Finding the Fourth Proportional to 83,728.21, 125,582.40 and 23,761.96

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Solution

The fourth proportional to 83,728.21, 125,582.40 and 23,761.96 is: 35,640.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,728.21 : 125,582.40 = 23,761.96 : x
  2. Step 2: Convert to fraction form
    83,728.21/125,582.40 = 23,761.96/x
  3. Step 3: Cross multiply
    83,728.21x = 125,582.40 × 23,761.96
  4. Step 4: Simplify right side
    83,728.21x = 2,984,083,965.50
  5. Step 5: Solve for x
    x = 2,984,083,965.50/83,728.21
  6. Step 6: Final answer
    x = 35,640.13

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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.