Home / 74,354.76-111,532.20-61,179.44

Finding the Fourth Proportional to 74,354.76, 111,532.20 and 61,179.44

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Solution

The fourth proportional to 74,354.76, 111,532.20 and 61,179.44 is: 91,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,354.76 : 111,532.20 = 61,179.44 : x
  2. Step 2: Convert to fraction form
    74,354.76/111,532.20 = 61,179.44/x
  3. Step 3: Cross multiply
    74,354.76x = 111,532.20 × 61,179.44
  4. Step 4: Simplify right side
    74,354.76x = 6,823,476,980.31
  5. Step 5: Solve for x
    x = 6,823,476,980.31/74,354.76
  6. Step 6: Final answer
    x = 91,769.20

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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.