Home / 57,000.15-85,517.52-40,392.30

Finding the Fourth Proportional to 57,000.15, 85,517.52 and 40,392.30

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Solution

The fourth proportional to 57,000.15, 85,517.52 and 40,392.30 is: 60,600.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,000.15 : 85,517.52 = 40,392.30 : x
  2. Step 2: Convert to fraction form
    57,000.15/85,517.52 = 40,392.30/x
  3. Step 3: Cross multiply
    57,000.15x = 85,517.52 × 40,392.30
  4. Step 4: Simplify right side
    57,000.15x = 3,454,249,323.10
  5. Step 5: Solve for x
    x = 3,454,249,323.10/57,000.15
  6. Step 6: Final answer
    x = 60,600.71

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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.