Home / 80,220.08-110,705.02-43,920.92

Finding the Fourth Proportional to 80,220.08, 110,705.02 and 43,920.92

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Solution

The fourth proportional to 80,220.08, 110,705.02 and 43,920.92 is: 60,611.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,220.08 : 110,705.02 = 43,920.92 : x
  2. Step 2: Convert to fraction form
    80,220.08/110,705.02 = 43,920.92/x
  3. Step 3: Cross multiply
    80,220.08x = 110,705.02 × 43,920.92
  4. Step 4: Simplify right side
    80,220.08x = 4,862,266,327.02
  5. Step 5: Solve for x
    x = 4,862,266,327.02/80,220.08
  6. Step 6: Final answer
    x = 60,611.59

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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.