Home / 115,439.87-173,177.12-40,546.81

Finding the Fourth Proportional to 115,439.87, 173,177.12 and 40,546.81

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Solution

The fourth proportional to 115,439.87, 173,177.12 and 40,546.81 is: 60,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,439.87 : 173,177.12 = 40,546.81 : x
  2. Step 2: Convert to fraction form
    115,439.87/173,177.12 = 40,546.81/x
  3. Step 3: Cross multiply
    115,439.87x = 173,177.12 × 40,546.81
  4. Step 4: Simplify right side
    115,439.87x = 7,021,779,780.99
  5. Step 5: Solve for x
    x = 7,021,779,780.99/115,439.87
  6. Step 6: Final answer
    x = 60,826.30

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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.