Home / 48,623.78-72,935.64-15,791.78

Finding the Fourth Proportional to 48,623.78, 72,935.64 and 15,791.78

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Solution

The fourth proportional to 48,623.78, 72,935.64 and 15,791.78 is: 23,687.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,623.78 : 72,935.64 = 15,791.78 : x
  2. Step 2: Convert to fraction form
    48,623.78/72,935.64 = 15,791.78/x
  3. Step 3: Cross multiply
    48,623.78x = 72,935.64 × 15,791.78
  4. Step 4: Simplify right side
    48,623.78x = 1,151,783,581.04
  5. Step 5: Solve for x
    x = 1,151,783,581.04/48,623.78
  6. Step 6: Final answer
    x = 23,687.66

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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.