Home / 83,178.13-124,730.14-23,999.73

Finding the Fourth Proportional to 83,178.13, 124,730.14 and 23,999.73

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Solution

The fourth proportional to 83,178.13, 124,730.14 and 23,999.73 is: 35,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,178.13 : 124,730.14 = 23,999.73 : x
  2. Step 2: Convert to fraction form
    83,178.13/124,730.14 = 23,999.73/x
  3. Step 3: Cross multiply
    83,178.13x = 124,730.14 × 23,999.73
  4. Step 4: Simplify right side
    83,178.13x = 2,993,489,682.86
  5. Step 5: Solve for x
    x = 2,993,489,682.86/83,178.13
  6. Step 6: Final answer
    x = 35,988.90

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1.5x scale

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.