Home / 57,028.60-85,380.90-53,925.40

Finding the Fourth Proportional to 57,028.60, 85,380.90 and 53,925.40

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Solution

The fourth proportional to 57,028.60, 85,380.90 and 53,925.40 is: 80,734.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,028.60 : 85,380.90 = 53,925.40 : x
  2. Step 2: Convert to fraction form
    57,028.60/85,380.90 = 53,925.40/x
  3. Step 3: Cross multiply
    57,028.60x = 85,380.90 × 53,925.40
  4. Step 4: Simplify right side
    57,028.60x = 4,604,199,184.86
  5. Step 5: Solve for x
    x = 4,604,199,184.86/57,028.60
  6. Step 6: Final answer
    x = 80,734.92

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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.