Home / 45,781.20-68,620.60-26,069.20

Finding the Fourth Proportional to 45,781.20, 68,620.60 and 26,069.20

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Solution

The fourth proportional to 45,781.20, 68,620.60 and 26,069.20 is: 39,074.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,781.20 : 68,620.60 = 26,069.20 : x
  2. Step 2: Convert to fraction form
    45,781.20/68,620.60 = 26,069.20/x
  3. Step 3: Cross multiply
    45,781.20x = 68,620.60 × 26,069.20
  4. Step 4: Simplify right side
    45,781.20x = 1,788,884,145.52
  5. Step 5: Solve for x
    x = 1,788,884,145.52/45,781.20
  6. Step 6: Final answer
    x = 39,074.65

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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.