Home / 67,007.40-92,463.31-40,149.22

Finding the Fourth Proportional to 67,007.40, 92,463.31 and 40,149.22

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Solution

The fourth proportional to 67,007.40, 92,463.31 and 40,149.22 is: 55,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,007.40 : 92,463.31 = 40,149.22 : x
  2. Step 2: Convert to fraction form
    67,007.40/92,463.31 = 40,149.22/x
  3. Step 3: Cross multiply
    67,007.40x = 92,463.31 × 40,149.22
  4. Step 4: Simplify right side
    67,007.40x = 3,712,329,112.06
  5. Step 5: Solve for x
    x = 3,712,329,112.06/67,007.40
  6. Step 6: Final answer
    x = 55,401.78

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1.5x scale

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.