Home / 84,001.20-126,006.32-34,073.84

Finding the Fourth Proportional to 84,001.20, 126,006.32 and 34,073.84

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Solution

The fourth proportional to 84,001.20, 126,006.32 and 34,073.84 is: 51,112.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,001.20 : 126,006.32 = 34,073.84 : x
  2. Step 2: Convert to fraction form
    84,001.20/126,006.32 = 34,073.84/x
  3. Step 3: Cross multiply
    84,001.20x = 126,006.32 × 34,073.84
  4. Step 4: Simplify right side
    84,001.20x = 4,293,519,186.67
  5. Step 5: Solve for x
    x = 4,293,519,186.67/84,001.20
  6. Step 6: Final answer
    x = 51,112.59

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1.5x scale

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.