Home / 115,947.79-173,971.19-49,419.25

Finding the Fourth Proportional to 115,947.79, 173,971.19 and 49,419.25

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Solution

The fourth proportional to 115,947.79, 173,971.19 and 49,419.25 is: 74,149.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,947.79 : 173,971.19 = 49,419.25 : x
  2. Step 2: Convert to fraction form
    115,947.79/173,971.19 = 49,419.25/x
  3. Step 3: Cross multiply
    115,947.79x = 173,971.19 × 49,419.25
  4. Step 4: Simplify right side
    115,947.79x = 8,597,525,420.03
  5. Step 5: Solve for x
    x = 8,597,525,420.03/115,947.79
  6. Step 6: Final answer
    x = 74,149.97

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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.