Home / 76,712.16-115,082.82-24,107.52

Finding the Fourth Proportional to 76,712.16, 115,082.82 and 24,107.52

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Solution

The fourth proportional to 76,712.16, 115,082.82 and 24,107.52 is: 36,165.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,712.16 : 115,082.82 = 24,107.52 : x
  2. Step 2: Convert to fraction form
    76,712.16/115,082.82 = 24,107.52/x
  3. Step 3: Cross multiply
    76,712.16x = 115,082.82 × 24,107.52
  4. Step 4: Simplify right side
    76,712.16x = 2,774,361,384.81
  5. Step 5: Solve for x
    x = 2,774,361,384.81/76,712.16
  6. Step 6: Final answer
    x = 36,165.86

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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.