Home / 84,074.75-126,079.31-36,704.33

Finding the Fourth Proportional to 84,074.75, 126,079.31 and 36,704.33

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Solution

The fourth proportional to 84,074.75, 126,079.31 and 36,704.33 is: 55,042.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,074.75 : 126,079.31 = 36,704.33 : x
  2. Step 2: Convert to fraction form
    84,074.75/126,079.31 = 36,704.33/x
  3. Step 3: Cross multiply
    84,074.75x = 126,079.31 × 36,704.33
  4. Step 4: Simplify right side
    84,074.75x = 4,627,655,970.02
  5. Step 5: Solve for x
    x = 4,627,655,970.02/84,074.75
  6. Step 6: Final answer
    x = 55,042.16

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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.