Home / 48,310.40-72,472.80-17,143.04

Finding the Fourth Proportional to 48,310.40, 72,472.80 and 17,143.04

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Solution

The fourth proportional to 48,310.40, 72,472.80 and 17,143.04 is: 25,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,310.40 : 72,472.80 = 17,143.04 : x
  2. Step 2: Convert to fraction form
    48,310.40/72,472.80 = 17,143.04/x
  3. Step 3: Cross multiply
    48,310.40x = 72,472.80 × 17,143.04
  4. Step 4: Simplify right side
    48,310.40x = 1,242,404,109.31
  5. Step 5: Solve for x
    x = 1,242,404,109.31/48,310.40
  6. Step 6: Final answer
    x = 25,717.11

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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.