Home / 115,711.00-173,588.40-40,822.65

Finding the Fourth Proportional to 115,711.00, 173,588.40 and 40,822.65

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Solution

The fourth proportional to 115,711.00, 173,588.40 and 40,822.65 is: 61,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,711.00 : 173,588.40 = 40,822.65 : x
  2. Step 2: Convert to fraction form
    115,711.00/173,588.40 = 40,822.65/x
  3. Step 3: Cross multiply
    115,711.00x = 173,588.40 × 40,822.65
  4. Step 4: Simplify right side
    115,711.00x = 7,086,338,497.26
  5. Step 5: Solve for x
    x = 7,086,338,497.26/115,711.00
  6. Step 6: Final answer
    x = 61,241.70

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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.