Home / 84,778.26-127,195.14-34,881.86

Finding the Fourth Proportional to 84,778.26, 127,195.14 and 34,881.86

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Solution

The fourth proportional to 84,778.26, 127,195.14 and 34,881.86 is: 52,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,778.26 : 127,195.14 = 34,881.86 : x
  2. Step 2: Convert to fraction form
    84,778.26/127,195.14 = 34,881.86/x
  3. Step 3: Cross multiply
    84,778.26x = 127,195.14 × 34,881.86
  4. Step 4: Simplify right side
    84,778.26x = 4,436,802,430.18
  5. Step 5: Solve for x
    x = 4,436,802,430.18/84,778.26
  6. Step 6: Final answer
    x = 52,334.20

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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.