Home / 83,945.10-125,899.17-27,771.90

Finding the Fourth Proportional to 83,945.10, 125,899.17 and 27,771.90

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Solution

The fourth proportional to 83,945.10, 125,899.17 and 27,771.90 is: 41,651.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,945.10 : 125,899.17 = 27,771.90 : x
  2. Step 2: Convert to fraction form
    83,945.10/125,899.17 = 27,771.90/x
  3. Step 3: Cross multiply
    83,945.10x = 125,899.17 × 27,771.90
  4. Step 4: Simplify right side
    83,945.10x = 3,496,459,159.32
  5. Step 5: Solve for x
    x = 3,496,459,159.32/83,945.10
  6. Step 6: Final answer
    x = 41,651.74

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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.