Home / 115,399.26-173,171.79-45,277.02

Finding the Fourth Proportional to 115,399.26, 173,171.79 and 45,277.02

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Solution

The fourth proportional to 115,399.26, 173,171.79 and 45,277.02 is: 67,944.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,399.26 : 173,171.79 = 45,277.02 : x
  2. Step 2: Convert to fraction form
    115,399.26/173,171.79 = 45,277.02/x
  3. Step 3: Cross multiply
    115,399.26x = 173,171.79 × 45,277.02
  4. Step 4: Simplify right side
    115,399.26x = 7,840,702,599.27
  5. Step 5: Solve for x
    x = 7,840,702,599.27/115,399.26
  6. Step 6: Final answer
    x = 67,944.13

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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.