Home / 48,738.54-73,110.39-13,680.93

Finding the Fourth Proportional to 48,738.54, 73,110.39 and 13,680.93

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Solution

The fourth proportional to 48,738.54, 73,110.39 and 13,680.93 is: 20,522.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,738.54 : 73,110.39 = 13,680.93 : x
  2. Step 2: Convert to fraction form
    48,738.54/73,110.39 = 13,680.93/x
  3. Step 3: Cross multiply
    48,738.54x = 73,110.39 × 13,680.93
  4. Step 4: Simplify right side
    48,738.54x = 1,000,218,127.86
  5. Step 5: Solve for x
    x = 1,000,218,127.86/48,738.54
  6. Step 6: Final answer
    x = 20,522.12

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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.