Home / 57,367.68-79,168.35-31,876.32

Finding the Fourth Proportional to 57,367.68, 79,168.35 and 31,876.32

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Solution

The fourth proportional to 57,367.68, 79,168.35 and 31,876.32 is: 43,989.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,367.68 : 79,168.35 = 31,876.32 : x
  2. Step 2: Convert to fraction form
    57,367.68/79,168.35 = 31,876.32/x
  3. Step 3: Cross multiply
    57,367.68x = 79,168.35 × 31,876.32
  4. Step 4: Simplify right side
    57,367.68x = 2,523,595,658.47
  5. Step 5: Solve for x
    x = 2,523,595,658.47/57,367.68
  6. Step 6: Final answer
    x = 43,989.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.