Home / 115,632.24-173,369.42-61,605

Finding the Fourth Proportional to 115,632.24, 173,369.42 and 61,605

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Solution

The fourth proportional to 115,632.24, 173,369.42 and 61,605 is: 92,365.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,632.24 : 173,369.42 = 61,605 : x
  2. Step 2: Convert to fraction form
    115,632.24/173,369.42 = 61,605/x
  3. Step 3: Cross multiply
    115,632.24x = 173,369.42 × 61,605
  4. Step 4: Simplify right side
    115,632.24x = 10,680,422,811.08
  5. Step 5: Solve for x
    x = 10,680,422,811.08/115,632.24
  6. Step 6: Final answer
    x = 92,365.44

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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.