Home / 75,766.05-113,719.21-38,352.42

Finding the Fourth Proportional to 75,766.05, 113,719.21 and 38,352.42

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Solution

The fourth proportional to 75,766.05, 113,719.21 and 38,352.42 is: 57,564.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,766.05 : 113,719.21 = 38,352.42 : x
  2. Step 2: Convert to fraction form
    75,766.05/113,719.21 = 38,352.42/x
  3. Step 3: Cross multiply
    75,766.05x = 113,719.21 × 38,352.42
  4. Step 4: Simplify right side
    75,766.05x = 4,361,406,808.11
  5. Step 5: Solve for x
    x = 4,361,406,808.11/75,766.05
  6. Step 6: Final answer
    x = 57,564.13

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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.