Home / 84,037.50-126,042.48-34,115.58

Finding the Fourth Proportional to 84,037.50, 126,042.48 and 34,115.58

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Solution

The fourth proportional to 84,037.50, 126,042.48 and 34,115.58 is: 51,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,037.50 : 126,042.48 = 34,115.58 : x
  2. Step 2: Convert to fraction form
    84,037.50/126,042.48 = 34,115.58/x
  3. Step 3: Cross multiply
    84,037.50x = 126,042.48 × 34,115.58
  4. Step 4: Simplify right side
    84,037.50x = 4,300,012,309.84
  5. Step 5: Solve for x
    x = 4,300,012,309.84/84,037.50
  6. Step 6: Final answer
    x = 51,167.78

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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.