Home / 115,316.41-172,993.11-48,757.24

Finding the Fourth Proportional to 115,316.41, 172,993.11 and 48,757.24

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Solution

The fourth proportional to 115,316.41, 172,993.11 and 48,757.24 is: 73,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,316.41 : 172,993.11 = 48,757.24 : x
  2. Step 2: Convert to fraction form
    115,316.41/172,993.11 = 48,757.24/x
  3. Step 3: Cross multiply
    115,316.41x = 172,993.11 × 48,757.24
  4. Step 4: Simplify right side
    115,316.41x = 8,434,666,582.62
  5. Step 5: Solve for x
    x = 8,434,666,582.62/115,316.41
  6. Step 6: Final answer
    x = 73,143.68

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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.