Home / 49,761.20-74,641.80-22,059.20

Finding the Fourth Proportional to 49,761.20, 74,641.80 and 22,059.20

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Solution

The fourth proportional to 49,761.20, 74,641.80 and 22,059.20 is: 33,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,761.20 : 74,641.80 = 22,059.20 : x
  2. Step 2: Convert to fraction form
    49,761.20/74,641.80 = 22,059.20/x
  3. Step 3: Cross multiply
    49,761.20x = 74,641.80 × 22,059.20
  4. Step 4: Simplify right side
    49,761.20x = 1,646,538,394.56
  5. Step 5: Solve for x
    x = 1,646,538,394.56/49,761.20
  6. Step 6: Final answer
    x = 33,088.80

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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.