Home / 82,961.20-124,441.80-23,793.40

Finding the Fourth Proportional to 82,961.20, 124,441.80 and 23,793.40

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Solution

The fourth proportional to 82,961.20, 124,441.80 and 23,793.40 is: 35,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,961.20 : 124,441.80 = 23,793.40 : x
  2. Step 2: Convert to fraction form
    82,961.20/124,441.80 = 23,793.40/x
  3. Step 3: Cross multiply
    82,961.20x = 124,441.80 × 23,793.40
  4. Step 4: Simplify right side
    82,961.20x = 2,960,893,524.12
  5. Step 5: Solve for x
    x = 2,960,893,524.12/82,961.20
  6. Step 6: Final answer
    x = 35,690.10

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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.