Home / 57,014.40-85,535.52-40,180.25

Finding the Fourth Proportional to 57,014.40, 85,535.52 and 40,180.25

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Solution

The fourth proportional to 57,014.40, 85,535.52 and 40,180.25 is: 60,280.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,014.40 : 85,535.52 = 40,180.25 : x
  2. Step 2: Convert to fraction form
    57,014.40/85,535.52 = 40,180.25/x
  3. Step 3: Cross multiply
    57,014.40x = 85,535.52 × 40,180.25
  4. Step 4: Simplify right side
    57,014.40x = 3,436,838,149.80
  5. Step 5: Solve for x
    x = 3,436,838,149.80/57,014.40
  6. Step 6: Final answer
    x = 60,280.18

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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.