Home / 80,003.18-110,417.63-60,945.90

Finding the Fourth Proportional to 80,003.18, 110,417.63 and 60,945.90

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Solution

The fourth proportional to 80,003.18, 110,417.63 and 60,945.90 is: 84,115.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,003.18 : 110,417.63 = 60,945.90 : x
  2. Step 2: Convert to fraction form
    80,003.18/110,417.63 = 60,945.90/x
  3. Step 3: Cross multiply
    80,003.18x = 110,417.63 × 60,945.90
  4. Step 4: Simplify right side
    80,003.18x = 6,729,501,836.22
  5. Step 5: Solve for x
    x = 6,729,501,836.22/80,003.18
  6. Step 6: Final answer
    x = 84,115.43

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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.