Home / 57,781.30-79,737.20-32,288.08

Finding the Fourth Proportional to 57,781.30, 79,737.20 and 32,288.08

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Solution

The fourth proportional to 57,781.30, 79,737.20 and 32,288.08 is: 44,556.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,781.30 : 79,737.20 = 32,288.08 : x
  2. Step 2: Convert to fraction form
    57,781.30/79,737.20 = 32,288.08/x
  3. Step 3: Cross multiply
    57,781.30x = 79,737.20 × 32,288.08
  4. Step 4: Simplify right side
    57,781.30x = 2,574,561,092.58
  5. Step 5: Solve for x
    x = 2,574,561,092.58/57,781.30
  6. Step 6: Final answer
    x = 44,556.99

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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.