Home / 75,787.42-113,616.33-29,073.82

Finding the Fourth Proportional to 75,787.42, 113,616.33 and 29,073.82

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Solution

The fourth proportional to 75,787.42, 113,616.33 and 29,073.82 is: 43,585.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,787.42 : 113,616.33 = 29,073.82 : x
  2. Step 2: Convert to fraction form
    75,787.42/113,616.33 = 29,073.82/x
  3. Step 3: Cross multiply
    75,787.42x = 113,616.33 × 29,073.82
  4. Step 4: Simplify right side
    75,787.42x = 3,303,260,727.48
  5. Step 5: Solve for x
    x = 3,303,260,727.48/75,787.42
  6. Step 6: Final answer
    x = 43,585.87

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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.