Home / 68,880.28-95,030.34-45,020.73

Finding the Fourth Proportional to 68,880.28, 95,030.34 and 45,020.73

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Solution

The fourth proportional to 68,880.28, 95,030.34 and 45,020.73 is: 62,112.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,880.28 : 95,030.34 = 45,020.73 : x
  2. Step 2: Convert to fraction form
    68,880.28/95,030.34 = 45,020.73/x
  3. Step 3: Cross multiply
    68,880.28x = 95,030.34 × 45,020.73
  4. Step 4: Simplify right side
    68,880.28x = 4,278,335,278.95
  5. Step 5: Solve for x
    x = 4,278,335,278.95/68,880.28
  6. Step 6: Final answer
    x = 62,112.63

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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.