Home / 115,731.28-173,610.87-40,836.03

Finding the Fourth Proportional to 115,731.28, 173,610.87 and 40,836.03

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Solution

The fourth proportional to 115,731.28, 173,610.87 and 40,836.03 is: 61,258.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,731.28 : 173,610.87 = 40,836.03 : x
  2. Step 2: Convert to fraction form
    115,731.28/173,610.87 = 40,836.03/x
  3. Step 3: Cross multiply
    115,731.28x = 173,610.87 × 40,836.03
  4. Step 4: Simplify right side
    115,731.28x = 7,089,578,695.65
  5. Step 5: Solve for x
    x = 7,089,578,695.65/115,731.28
  6. Step 6: Final answer
    x = 61,258.97

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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.