Home / 83,108.10-124,637.85-29,793.90

Finding the Fourth Proportional to 83,108.10, 124,637.85 and 29,793.90

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Solution

The fourth proportional to 83,108.10, 124,637.85 and 29,793.90 is: 44,682.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,108.10 : 124,637.85 = 29,793.90 : x
  2. Step 2: Convert to fraction form
    83,108.10/124,637.85 = 29,793.90/x
  3. Step 3: Cross multiply
    83,108.10x = 124,637.85 × 29,793.90
  4. Step 4: Simplify right side
    83,108.10x = 3,713,447,639.12
  5. Step 5: Solve for x
    x = 3,713,447,639.12/83,108.10
  6. Step 6: Final answer
    x = 44,682.14

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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.