Home / 84,328.15-126,512.08-27,401.87

Finding the Fourth Proportional to 84,328.15, 126,512.08 and 27,401.87

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Solution

The fourth proportional to 84,328.15, 126,512.08 and 27,401.87 is: 41,109.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,328.15 : 126,512.08 = 27,401.87 : x
  2. Step 2: Convert to fraction form
    84,328.15/126,512.08 = 27,401.87/x
  3. Step 3: Cross multiply
    84,328.15x = 126,512.08 × 27,401.87
  4. Step 4: Simplify right side
    84,328.15x = 3,466,667,569.59
  5. Step 5: Solve for x
    x = 3,466,667,569.59/84,328.15
  6. Step 6: Final answer
    x = 41,109.26

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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.