Home / 80,967.33-121,451.02-28,376.82

Finding the Fourth Proportional to 80,967.33, 121,451.02 and 28,376.82

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Solution

The fourth proportional to 80,967.33, 121,451.02 and 28,376.82 is: 42,565.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,967.33 : 121,451.02 = 28,376.82 : x
  2. Step 2: Convert to fraction form
    80,967.33/121,451.02 = 28,376.82/x
  3. Step 3: Cross multiply
    80,967.33x = 121,451.02 × 28,376.82
  4. Step 4: Simplify right side
    80,967.33x = 3,446,393,662.41
  5. Step 5: Solve for x
    x = 3,446,393,662.41/80,967.33
  6. Step 6: Final answer
    x = 42,565.24

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1.5x scale

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.