Home / 80,083.02-110,488.16-51,418.74

Finding the Fourth Proportional to 80,083.02, 110,488.16 and 51,418.74

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Solution

The fourth proportional to 80,083.02, 110,488.16 and 51,418.74 is: 70,940.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,083.02 : 110,488.16 = 51,418.74 : x
  2. Step 2: Convert to fraction form
    80,083.02/110,488.16 = 51,418.74/x
  3. Step 3: Cross multiply
    80,083.02x = 110,488.16 × 51,418.74
  4. Step 4: Simplify right side
    80,083.02x = 5,681,162,119.79
  5. Step 5: Solve for x
    x = 5,681,162,119.79/80,083.02
  6. Step 6: Final answer
    x = 70,940.91

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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.