Home / 83,512.53-125,280.34-27,357.05

Finding the Fourth Proportional to 83,512.53, 125,280.34 and 27,357.05

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Solution

The fourth proportional to 83,512.53, 125,280.34 and 27,357.05 is: 41,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,512.53 : 125,280.34 = 27,357.05 : x
  2. Step 2: Convert to fraction form
    83,512.53/125,280.34 = 27,357.05/x
  3. Step 3: Cross multiply
    83,512.53x = 125,280.34 × 27,357.05
  4. Step 4: Simplify right side
    83,512.53x = 3,427,300,770.21
  5. Step 5: Solve for x
    x = 3,427,300,770.21/83,512.53
  6. Step 6: Final answer
    x = 41,039.36

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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.