Home / 76,669.16-115,003.48-24,082.56

Finding the Fourth Proportional to 76,669.16, 115,003.48 and 24,082.56

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Solution

The fourth proportional to 76,669.16, 115,003.48 and 24,082.56 is: 36,123.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,669.16 : 115,003.48 = 24,082.56 : x
  2. Step 2: Convert to fraction form
    76,669.16/115,003.48 = 24,082.56/x
  3. Step 3: Cross multiply
    76,669.16x = 115,003.48 × 24,082.56
  4. Step 4: Simplify right side
    76,669.16x = 2,769,578,207.31
  5. Step 5: Solve for x
    x = 2,769,578,207.31/76,669.16
  6. Step 6: Final answer
    x = 36,123.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.