Home / 72,035.11-108,029.44-23,990.97

Finding the Fourth Proportional to 72,035.11, 108,029.44 and 23,990.97

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Solution

The fourth proportional to 72,035.11, 108,029.44 and 23,990.97 is: 35,978.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,035.11 : 108,029.44 = 23,990.97 : x
  2. Step 2: Convert to fraction form
    72,035.11/108,029.44 = 23,990.97/x
  3. Step 3: Cross multiply
    72,035.11x = 108,029.44 × 23,990.97
  4. Step 4: Simplify right side
    72,035.11x = 2,591,731,054.16
  5. Step 5: Solve for x
    x = 2,591,731,054.16/72,035.11
  6. Step 6: Final answer
    x = 35,978.72

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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.