Home / 83,919.76-125,849.66-27,749.50

Finding the Fourth Proportional to 83,919.76, 125,849.66 and 27,749.50

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Solution

The fourth proportional to 83,919.76, 125,849.66 and 27,749.50 is: 41,614.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,919.76 : 125,849.66 = 27,749.50 : x
  2. Step 2: Convert to fraction form
    83,919.76/125,849.66 = 27,749.50/x
  3. Step 3: Cross multiply
    83,919.76x = 125,849.66 × 27,749.50
  4. Step 4: Simplify right side
    83,919.76x = 3,492,264,686.80
  5. Step 5: Solve for x
    x = 3,492,264,686.80/83,919.76
  6. Step 6: Final answer
    x = 41,614.33

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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.