Home / 74,257.72-111,359.04-29,869.30

Finding the Fourth Proportional to 74,257.72, 111,359.04 and 29,869.30

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Solution

The fourth proportional to 74,257.72, 111,359.04 and 29,869.30 is: 44,792.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,257.72 : 111,359.04 = 29,869.30 : x
  2. Step 2: Convert to fraction form
    74,257.72/111,359.04 = 29,869.30/x
  3. Step 3: Cross multiply
    74,257.72x = 111,359.04 × 29,869.30
  4. Step 4: Simplify right side
    74,257.72x = 3,326,216,573.47
  5. Step 5: Solve for x
    x = 3,326,216,573.47/74,257.72
  6. Step 6: Final answer
    x = 44,792.87

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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.