Home / 48,138.26-72,179.59-14,849.38

Finding the Fourth Proportional to 48,138.26, 72,179.59 and 14,849.38

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Solution

The fourth proportional to 48,138.26, 72,179.59 and 14,849.38 is: 22,265.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,138.26 : 72,179.59 = 14,849.38 : x
  2. Step 2: Convert to fraction form
    48,138.26/72,179.59 = 14,849.38/x
  3. Step 3: Cross multiply
    48,138.26x = 72,179.59 × 14,849.38
  4. Step 4: Simplify right side
    48,138.26x = 1,071,822,241.10
  5. Step 5: Solve for x
    x = 1,071,822,241.10/48,138.26
  6. Step 6: Final answer
    x = 22,265.50

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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.