Home / 80,120.03-110,562.30-43,820.89

Finding the Fourth Proportional to 80,120.03, 110,562.30 and 43,820.89

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Solution

The fourth proportional to 80,120.03, 110,562.30 and 43,820.89 is: 60,471.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,120.03 : 110,562.30 = 43,820.89 : x
  2. Step 2: Convert to fraction form
    80,120.03/110,562.30 = 43,820.89/x
  3. Step 3: Cross multiply
    80,120.03x = 110,562.30 × 43,820.89
  4. Step 4: Simplify right side
    80,120.03x = 4,844,938,110.04
  5. Step 5: Solve for x
    x = 4,844,938,110.04/80,120.03
  6. Step 6: Final answer
    x = 60,471.00

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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.