Home / 80,267.32-110,809.02-51,995.80

Finding the Fourth Proportional to 80,267.32, 110,809.02 and 51,995.80

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Solution

The fourth proportional to 80,267.32, 110,809.02 and 51,995.80 is: 71,780.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,267.32 : 110,809.02 = 51,995.80 : x
  2. Step 2: Convert to fraction form
    80,267.32/110,809.02 = 51,995.80/x
  3. Step 3: Cross multiply
    80,267.32x = 110,809.02 × 51,995.80
  4. Step 4: Simplify right side
    80,267.32x = 5,761,603,642.12
  5. Step 5: Solve for x
    x = 5,761,603,642.12/80,267.32
  6. Step 6: Final answer
    x = 71,780.19

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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.