Home / 83,270.31-114,913.94-45,543.75

Finding the Fourth Proportional to 83,270.31, 114,913.94 and 45,543.75

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Solution

The fourth proportional to 83,270.31, 114,913.94 and 45,543.75 is: 62,850.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,270.31 : 114,913.94 = 45,543.75 : x
  2. Step 2: Convert to fraction form
    83,270.31/114,913.94 = 45,543.75/x
  3. Step 3: Cross multiply
    83,270.31x = 114,913.94 × 45,543.75
  4. Step 4: Simplify right side
    83,270.31x = 5,233,611,754.88
  5. Step 5: Solve for x
    x = 5,233,611,754.88/83,270.31
  6. Step 6: Final answer
    x = 62,850.87

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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.