Home / 75,992.20-113,990.62-26,071.60

Finding the Fourth Proportional to 75,992.20, 113,990.62 and 26,071.60

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Solution

The fourth proportional to 75,992.20, 113,990.62 and 26,071.60 is: 39,108.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,992.20 : 113,990.62 = 26,071.60 : x
  2. Step 2: Convert to fraction form
    75,992.20/113,990.62 = 26,071.60/x
  3. Step 3: Cross multiply
    75,992.20x = 113,990.62 × 26,071.60
  4. Step 4: Simplify right side
    75,992.20x = 2,971,917,366.93
  5. Step 5: Solve for x
    x = 2,971,917,366.93/75,992.20
  6. Step 6: Final answer
    x = 39,108.19

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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.