Home / 57,882.24-79,790.40-45,285.12

Finding the Fourth Proportional to 57,882.24, 79,790.40 and 45,285.12

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Solution

The fourth proportional to 57,882.24, 79,790.40 and 45,285.12 is: 62,425.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,882.24 : 79,790.40 = 45,285.12 : x
  2. Step 2: Convert to fraction form
    57,882.24/79,790.40 = 45,285.12/x
  3. Step 3: Cross multiply
    57,882.24x = 79,790.40 × 45,285.12
  4. Step 4: Simplify right side
    57,882.24x = 3,613,317,838.85
  5. Step 5: Solve for x
    x = 3,613,317,838.85/57,882.24
  6. Step 6: Final answer
    x = 62,425.33

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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.