Home / 79,997.08-110,322.66-54,541.48

Finding the Fourth Proportional to 79,997.08, 110,322.66 and 54,541.48

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Solution

The fourth proportional to 79,997.08, 110,322.66 and 54,541.48 is: 75,217.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,997.08 : 110,322.66 = 54,541.48 : x
  2. Step 2: Convert to fraction form
    79,997.08/110,322.66 = 54,541.48/x
  3. Step 3: Cross multiply
    79,997.08x = 110,322.66 × 54,541.48
  4. Step 4: Simplify right side
    79,997.08x = 6,017,161,153.94
  5. Step 5: Solve for x
    x = 6,017,161,153.94/79,997.08
  6. Step 6: Final answer
    x = 75,217.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.