Home / 54,480.16-81,717.36-32,003.20

Finding the Fourth Proportional to 54,480.16, 81,717.36 and 32,003.20

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Solution

The fourth proportional to 54,480.16, 81,717.36 and 32,003.20 is: 48,003.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,480.16 : 81,717.36 = 32,003.20 : x
  2. Step 2: Convert to fraction form
    54,480.16/81,717.36 = 32,003.20/x
  3. Step 3: Cross multiply
    54,480.16x = 81,717.36 × 32,003.20
  4. Step 4: Simplify right side
    54,480.16x = 2,615,217,015.55
  5. Step 5: Solve for x
    x = 2,615,217,015.55/54,480.16
  6. Step 6: Final answer
    x = 48,003.11

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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.