Home / 84,211.91-126,208.16-34,233.63

Finding the Fourth Proportional to 84,211.91, 126,208.16 and 34,233.63

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Solution

The fourth proportional to 84,211.91, 126,208.16 and 34,233.63 is: 51,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,211.91 : 126,208.16 = 34,233.63 : x
  2. Step 2: Convert to fraction form
    84,211.91/126,208.16 = 34,233.63/x
  3. Step 3: Cross multiply
    84,211.91x = 126,208.16 × 34,233.63
  4. Step 4: Simplify right side
    84,211.91x = 4,320,563,281.25
  5. Step 5: Solve for x
    x = 4,320,563,281.25/84,211.91
  6. Step 6: Final answer
    x = 51,305.85

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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.