Home / 115,998.12-174,062.70-49,431.24

Finding the Fourth Proportional to 115,998.12, 174,062.70 and 49,431.24

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Solution

The fourth proportional to 115,998.12, 174,062.70 and 49,431.24 is: 74,174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,998.12 : 174,062.70 = 49,431.24 : x
  2. Step 2: Convert to fraction form
    115,998.12/174,062.70 = 49,431.24/x
  3. Step 3: Cross multiply
    115,998.12x = 174,062.70 × 49,431.24
  4. Step 4: Simplify right side
    115,998.12x = 8,604,135,098.75
  5. Step 5: Solve for x
    x = 8,604,135,098.75/115,998.12
  6. Step 6: Final answer
    x = 74,174.78

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1.5x scale

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.