Home / 48,127.40-72,197.32-18,553.69

Finding the Fourth Proportional to 48,127.40, 72,197.32 and 18,553.69

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Solution

The fourth proportional to 48,127.40, 72,197.32 and 18,553.69 is: 27,832.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,127.40 : 72,197.32 = 18,553.69 : x
  2. Step 2: Convert to fraction form
    48,127.40/72,197.32 = 18,553.69/x
  3. Step 3: Cross multiply
    48,127.40x = 72,197.32 × 18,553.69
  4. Step 4: Simplify right side
    48,127.40x = 1,339,526,694.11
  5. Step 5: Solve for x
    x = 1,339,526,694.11/48,127.40
  6. Step 6: Final answer
    x = 27,832.93

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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.