Home / 80,131.10-110,578.16-44,321

Finding the Fourth Proportional to 80,131.10, 110,578.16 and 44,321

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Solution

The fourth proportional to 80,131.10, 110,578.16 and 44,321 is: 61,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,131.10 : 110,578.16 = 44,321 : x
  2. Step 2: Convert to fraction form
    80,131.10/110,578.16 = 44,321/x
  3. Step 3: Cross multiply
    80,131.10x = 110,578.16 × 44,321
  4. Step 4: Simplify right side
    80,131.10x = 4,900,934,629.36
  5. Step 5: Solve for x
    x = 4,900,934,629.36/80,131.10
  6. Step 6: Final answer
    x = 61,161.45

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1.5x scale

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.