Home / 48,721.36-73,084.08-15,440.69

Finding the Fourth Proportional to 48,721.36, 73,084.08 and 15,440.69

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Solution

The fourth proportional to 48,721.36, 73,084.08 and 15,440.69 is: 23,161.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,721.36 : 73,084.08 = 15,440.69 : x
  2. Step 2: Convert to fraction form
    48,721.36/73,084.08 = 15,440.69/x
  3. Step 3: Cross multiply
    48,721.36x = 73,084.08 × 15,440.69
  4. Step 4: Simplify right side
    48,721.36x = 1,128,468,623.22
  5. Step 5: Solve for x
    x = 1,128,468,623.22/48,721.36
  6. Step 6: Final answer
    x = 23,161.68

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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.