Home / 57,712.13-79,644.08-36,202.78

Finding the Fourth Proportional to 57,712.13, 79,644.08 and 36,202.78

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Solution

The fourth proportional to 57,712.13, 79,644.08 and 36,202.78 is: 49,960.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,712.13 : 79,644.08 = 36,202.78 : x
  2. Step 2: Convert to fraction form
    57,712.13/79,644.08 = 36,202.78/x
  3. Step 3: Cross multiply
    57,712.13x = 79,644.08 × 36,202.78
  4. Step 4: Simplify right side
    57,712.13x = 2,883,337,106.54
  5. Step 5: Solve for x
    x = 2,883,337,106.54/57,712.13
  6. Step 6: Final answer
    x = 49,960.68

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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.