Home / 57,255.95-85,650.63-47,924.75

Finding the Fourth Proportional to 57,255.95, 85,650.63 and 47,924.75

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Solution

The fourth proportional to 57,255.95, 85,650.63 and 47,924.75 is: 71,691.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,255.95 : 85,650.63 = 47,924.75 : x
  2. Step 2: Convert to fraction form
    57,255.95/85,650.63 = 47,924.75/x
  3. Step 3: Cross multiply
    57,255.95x = 85,650.63 × 47,924.75
  4. Step 4: Simplify right side
    57,255.95x = 4,104,784,601.84
  5. Step 5: Solve for x
    x = 4,104,784,601.84/57,255.95
  6. Step 6: Final answer
    x = 71,691.85

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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.