Home / 67,222.28-92,788.26-40,385.36

Finding the Fourth Proportional to 67,222.28, 92,788.26 and 40,385.36

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Solution

The fourth proportional to 67,222.28, 92,788.26 and 40,385.36 is: 55,744.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,222.28 : 92,788.26 = 40,385.36 : x
  2. Step 2: Convert to fraction form
    67,222.28/92,788.26 = 40,385.36/x
  3. Step 3: Cross multiply
    67,222.28x = 92,788.26 × 40,385.36
  4. Step 4: Simplify right side
    67,222.28x = 3,747,287,283.87
  5. Step 5: Solve for x
    x = 3,747,287,283.87/67,222.28
  6. Step 6: Final answer
    x = 55,744.72

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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.