Home / 83,540.40-125,281.41-33,607.53

Finding the Fourth Proportional to 83,540.40, 125,281.41 and 33,607.53

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Solution

The fourth proportional to 83,540.40, 125,281.41 and 33,607.53 is: 50,399.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,540.40 : 125,281.41 = 33,607.53 : x
  2. Step 2: Convert to fraction form
    83,540.40/125,281.41 = 33,607.53/x
  3. Step 3: Cross multiply
    83,540.40x = 125,281.41 × 33,607.53
  4. Step 4: Simplify right side
    83,540.40x = 4,210,398,745.02
  5. Step 5: Solve for x
    x = 4,210,398,745.02/83,540.40
  6. Step 6: Final answer
    x = 50,399.55

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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.