Home / 84,723.48-127,086.13-25,559.66

Finding the Fourth Proportional to 84,723.48, 127,086.13 and 25,559.66

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Solution

The fourth proportional to 84,723.48, 127,086.13 and 25,559.66 is: 38,339.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,723.48 : 127,086.13 = 25,559.66 : x
  2. Step 2: Convert to fraction form
    84,723.48/127,086.13 = 25,559.66/x
  3. Step 3: Cross multiply
    84,723.48x = 127,086.13 × 25,559.66
  4. Step 4: Simplify right side
    84,723.48x = 3,248,278,273.52
  5. Step 5: Solve for x
    x = 3,248,278,273.52/84,723.48
  6. Step 6: Final answer
    x = 38,339.76

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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.