Home / 107,082.12-147,769.34-61,762

Finding the Fourth Proportional to 107,082.12, 147,769.34 and 61,762

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Solution

The fourth proportional to 107,082.12, 147,769.34 and 61,762 is: 85,229.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,082.12 : 147,769.34 = 61,762 : x
  2. Step 2: Convert to fraction form
    107,082.12/147,769.34 = 61,762/x
  3. Step 3: Cross multiply
    107,082.12x = 147,769.34 × 61,762
  4. Step 4: Simplify right side
    107,082.12x = 9,126,529,977.08
  5. Step 5: Solve for x
    x = 9,126,529,977.08/107,082.12
  6. Step 6: Final answer
    x = 85,229.26

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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.