Home / 74,612.71-111,948.20-27,869.23

Finding the Fourth Proportional to 74,612.71, 111,948.20 and 27,869.23

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Solution

The fourth proportional to 74,612.71, 111,948.20 and 27,869.23 is: 41,814.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,612.71 : 111,948.20 = 27,869.23 : x
  2. Step 2: Convert to fraction form
    74,612.71/111,948.20 = 27,869.23/x
  3. Step 3: Cross multiply
    74,612.71x = 111,948.20 × 27,869.23
  4. Step 4: Simplify right side
    74,612.71x = 3,119,910,133.89
  5. Step 5: Solve for x
    x = 3,119,910,133.89/74,612.71
  6. Step 6: Final answer
    x = 41,814.73

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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.