Home / 84,211.64-126,207.76-34,233.36

Finding the Fourth Proportional to 84,211.64, 126,207.76 and 34,233.36

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Solution

The fourth proportional to 84,211.64, 126,207.76 and 34,233.36 is: 51,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,211.64 : 126,207.76 = 34,233.36 : x
  2. Step 2: Convert to fraction form
    84,211.64/126,207.76 = 34,233.36/x
  3. Step 3: Cross multiply
    84,211.64x = 126,207.76 × 34,233.36
  4. Step 4: Simplify right side
    84,211.64x = 4,320,515,682.87
  5. Step 5: Solve for x
    x = 4,320,515,682.87/84,211.64
  6. Step 6: Final answer
    x = 51,305.45

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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.