Home / 84,849.42-127,275.75-25,684.86

Finding the Fourth Proportional to 84,849.42, 127,275.75 and 25,684.86

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Solution

The fourth proportional to 84,849.42, 127,275.75 and 25,684.86 is: 38,527.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,849.42 : 127,275.75 = 25,684.86 : x
  2. Step 2: Convert to fraction form
    84,849.42/127,275.75 = 25,684.86/x
  3. Step 3: Cross multiply
    84,849.42x = 127,275.75 × 25,684.86
  4. Step 4: Simplify right side
    84,849.42x = 3,269,059,820.15
  5. Step 5: Solve for x
    x = 3,269,059,820.15/84,849.42
  6. Step 6: Final answer
    x = 38,527.78

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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.