Home / 75,494.07-113,278-53,449.11

Finding the Fourth Proportional to 75,494.07, 113,278 and 53,449.11

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Solution

The fourth proportional to 75,494.07, 113,278 and 53,449.11 is: 80,199.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,494.07 : 113,278 = 53,449.11 : x
  2. Step 2: Convert to fraction form
    75,494.07/113,278 = 53,449.11/x
  3. Step 3: Cross multiply
    75,494.07x = 113,278 × 53,449.11
  4. Step 4: Simplify right side
    75,494.07x = 6,054,608,282.58
  5. Step 5: Solve for x
    x = 6,054,608,282.58/75,494.07
  6. Step 6: Final answer
    x = 80,199.79

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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.