Home / 54,740.80-81,951.27-49,487.95

Finding the Fourth Proportional to 54,740.80, 81,951.27 and 49,487.95

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Solution

The fourth proportional to 54,740.80, 81,951.27 and 49,487.95 is: 74,087.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,740.80 : 81,951.27 = 49,487.95 : x
  2. Step 2: Convert to fraction form
    54,740.80/81,951.27 = 49,487.95/x
  3. Step 3: Cross multiply
    54,740.80x = 81,951.27 × 49,487.95
  4. Step 4: Simplify right side
    54,740.80x = 4,055,599,961.74
  5. Step 5: Solve for x
    x = 4,055,599,961.74/54,740.80
  6. Step 6: Final answer
    x = 74,087.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.