Home / 57,392.16-79,174.31-38,266.85

Finding the Fourth Proportional to 57,392.16, 79,174.31 and 38,266.85

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Solution

The fourth proportional to 57,392.16, 79,174.31 and 38,266.85 is: 52,790.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,392.16 : 79,174.31 = 38,266.85 : x
  2. Step 2: Convert to fraction form
    57,392.16/79,174.31 = 38,266.85/x
  3. Step 3: Cross multiply
    57,392.16x = 79,174.31 × 38,266.85
  4. Step 4: Simplify right side
    57,392.16x = 3,029,750,857.42
  5. Step 5: Solve for x
    x = 3,029,750,857.42/57,392.16
  6. Step 6: Final answer
    x = 52,790.33

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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.