Home / 79,926.17-119,889.05-75,054.42

Finding the Fourth Proportional to 79,926.17, 119,889.05 and 75,054.42

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Solution

The fourth proportional to 79,926.17, 119,889.05 and 75,054.42 is: 112,581.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,926.17 : 119,889.05 = 75,054.42 : x
  2. Step 2: Convert to fraction form
    79,926.17/119,889.05 = 75,054.42/x
  3. Step 3: Cross multiply
    79,926.17x = 119,889.05 × 75,054.42
  4. Step 4: Simplify right side
    79,926.17x = 8,998,202,736.83
  5. Step 5: Solve for x
    x = 8,998,202,736.83/79,926.17
  6. Step 6: Final answer
    x = 112,581.44

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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.