Home / 67,374.28-93,012.96-40,522.78

Finding the Fourth Proportional to 67,374.28, 93,012.96 and 40,522.78

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Solution

The fourth proportional to 67,374.28, 93,012.96 and 40,522.78 is: 55,943.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,374.28 : 93,012.96 = 40,522.78 : x
  2. Step 2: Convert to fraction form
    67,374.28/93,012.96 = 40,522.78/x
  3. Step 3: Cross multiply
    67,374.28x = 93,012.96 × 40,522.78
  4. Step 4: Simplify right side
    67,374.28x = 3,769,143,755.51
  5. Step 5: Solve for x
    x = 3,769,143,755.51/67,374.28
  6. Step 6: Final answer
    x = 55,943.36

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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.