Home / 54,042.90-74,557.76-36,109.50

Finding the Fourth Proportional to 54,042.90, 74,557.76 and 36,109.50

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Solution

The fourth proportional to 54,042.90, 74,557.76 and 36,109.50 is: 49,816.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,042.90 : 74,557.76 = 36,109.50 : x
  2. Step 2: Convert to fraction form
    54,042.90/74,557.76 = 36,109.50/x
  3. Step 3: Cross multiply
    54,042.90x = 74,557.76 × 36,109.50
  4. Step 4: Simplify right side
    54,042.90x = 2,692,243,434.72
  5. Step 5: Solve for x
    x = 2,692,243,434.72/54,042.90
  6. Step 6: Final answer
    x = 49,816.78

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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.