Home / 57,417.18-79,217.42-34,748.92

Finding the Fourth Proportional to 57,417.18, 79,217.42 and 34,748.92

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Solution

The fourth proportional to 57,417.18, 79,217.42 and 34,748.92 is: 47,942.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,417.18 : 79,217.42 = 34,748.92 : x
  2. Step 2: Convert to fraction form
    57,417.18/79,217.42 = 34,748.92/x
  3. Step 3: Cross multiply
    57,417.18x = 79,217.42 × 34,748.92
  4. Step 4: Simplify right side
    57,417.18x = 2,752,719,790.19
  5. Step 5: Solve for x
    x = 2,752,719,790.19/57,417.18
  6. Step 6: Final answer
    x = 47,942.44

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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.