Home / 83,143.72-124,714.66-23,977.46

Finding the Fourth Proportional to 83,143.72, 124,714.66 and 23,977.46

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Solution

The fourth proportional to 83,143.72, 124,714.66 and 23,977.46 is: 35,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,143.72 : 124,714.66 = 23,977.46 : x
  2. Step 2: Convert to fraction form
    83,143.72/124,714.66 = 23,977.46/x
  3. Step 3: Cross multiply
    83,143.72x = 124,714.66 × 23,977.46
  4. Step 4: Simplify right side
    83,143.72x = 2,990,340,771.56
  5. Step 5: Solve for x
    x = 2,990,340,771.56/83,143.72
  6. Step 6: Final answer
    x = 35,965.92

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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.