Home / 75,757.41-104,545.43-45,560.03

Finding the Fourth Proportional to 75,757.41, 104,545.43 and 45,560.03

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Solution

The fourth proportional to 75,757.41, 104,545.43 and 45,560.03 is: 62,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,757.41 : 104,545.43 = 45,560.03 : x
  2. Step 2: Convert to fraction form
    75,757.41/104,545.43 = 45,560.03/x
  3. Step 3: Cross multiply
    75,757.41x = 104,545.43 × 45,560.03
  4. Step 4: Simplify right side
    75,757.41x = 4,763,092,176.64
  5. Step 5: Solve for x
    x = 4,763,092,176.64/75,757.41
  6. Step 6: Final answer
    x = 62,872.95

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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.