Home / 54,352.61-74,991.18-31,692.55

Finding the Fourth Proportional to 54,352.61, 74,991.18 and 31,692.55

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Solution

The fourth proportional to 54,352.61, 74,991.18 and 31,692.55 is: 43,726.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,352.61 : 74,991.18 = 31,692.55 : x
  2. Step 2: Convert to fraction form
    54,352.61/74,991.18 = 31,692.55/x
  3. Step 3: Cross multiply
    54,352.61x = 74,991.18 × 31,692.55
  4. Step 4: Simplify right side
    54,352.61x = 2,376,661,721.71
  5. Step 5: Solve for x
    x = 2,376,661,721.71/54,352.61
  6. Step 6: Final answer
    x = 43,726.73

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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.