Home / 83,192.16-124,781.21-35,805.34

Finding the Fourth Proportional to 83,192.16, 124,781.21 and 35,805.34

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Solution

The fourth proportional to 83,192.16, 124,781.21 and 35,805.34 is: 53,704.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,192.16 : 124,781.21 = 35,805.34 : x
  2. Step 2: Convert to fraction form
    83,192.16/124,781.21 = 35,805.34/x
  3. Step 3: Cross multiply
    83,192.16x = 124,781.21 × 35,805.34
  4. Step 4: Simplify right side
    83,192.16x = 4,467,833,760.88
  5. Step 5: Solve for x
    x = 4,467,833,760.88/83,192.16
  6. Step 6: Final answer
    x = 53,704.98

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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.