Home / 83,779.56-125,687.90-27,637.04

Finding the Fourth Proportional to 83,779.56, 125,687.90 and 27,637.04

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Solution

The fourth proportional to 83,779.56, 125,687.90 and 27,637.04 is: 41,461.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,779.56 : 125,687.90 = 27,637.04 : x
  2. Step 2: Convert to fraction form
    83,779.56/125,687.90 = 27,637.04/x
  3. Step 3: Cross multiply
    83,779.56x = 125,687.90 × 27,637.04
  4. Step 4: Simplify right side
    83,779.56x = 3,473,641,519.82
  5. Step 5: Solve for x
    x = 3,473,641,519.82/83,779.56
  6. Step 6: Final answer
    x = 41,461.68

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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.