Home / 84,091.22-126,170.50-34,175.16

Finding the Fourth Proportional to 84,091.22, 126,170.50 and 34,175.16

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Solution

The fourth proportional to 84,091.22, 126,170.50 and 34,175.16 is: 51,276.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,091.22 : 126,170.50 = 34,175.16 : x
  2. Step 2: Convert to fraction form
    84,091.22/126,170.50 = 34,175.16/x
  3. Step 3: Cross multiply
    84,091.22x = 126,170.50 × 34,175.16
  4. Step 4: Simplify right side
    84,091.22x = 4,311,897,024.78
  5. Step 5: Solve for x
    x = 4,311,897,024.78/84,091.22
  6. Step 6: Final answer
    x = 51,276.42

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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.