Home / 83,209.11-114,828.44-47,399.10

Finding the Fourth Proportional to 83,209.11, 114,828.44 and 47,399.10

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Solution

The fourth proportional to 83,209.11, 114,828.44 and 47,399.10 is: 65,410.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,209.11 : 114,828.44 = 47,399.10 : x
  2. Step 2: Convert to fraction form
    83,209.11/114,828.44 = 47,399.10/x
  3. Step 3: Cross multiply
    83,209.11x = 114,828.44 × 47,399.10
  4. Step 4: Simplify right side
    83,209.11x = 5,442,764,473.41
  5. Step 5: Solve for x
    x = 5,442,764,473.41/83,209.11
  6. Step 6: Final answer
    x = 65,410.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.