Home / 53,963.60-80,945.40-49,125.20

Finding the Fourth Proportional to 53,963.60, 80,945.40 and 49,125.20

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Solution

The fourth proportional to 53,963.60, 80,945.40 and 49,125.20 is: 73,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,963.60 : 80,945.40 = 49,125.20 : x
  2. Step 2: Convert to fraction form
    53,963.60/80,945.40 = 49,125.20/x
  3. Step 3: Cross multiply
    53,963.60x = 80,945.40 × 49,125.20
  4. Step 4: Simplify right side
    53,963.60x = 3,976,458,964.08
  5. Step 5: Solve for x
    x = 3,976,458,964.08/53,963.60
  6. Step 6: Final answer
    x = 73,687.80

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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.