Home / 57,082.52-78,754.68-33,189.55

Finding the Fourth Proportional to 57,082.52, 78,754.68 and 33,189.55

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Solution

The fourth proportional to 57,082.52, 78,754.68 and 33,189.55 is: 45,790.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,082.52 : 78,754.68 = 33,189.55 : x
  2. Step 2: Convert to fraction form
    57,082.52/78,754.68 = 33,189.55/x
  3. Step 3: Cross multiply
    57,082.52x = 78,754.68 × 33,189.55
  4. Step 4: Simplify right side
    57,082.52x = 2,613,832,192.71
  5. Step 5: Solve for x
    x = 2,613,832,192.71/57,082.52
  6. Step 6: Final answer
    x = 45,790.41

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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.