Home / 88,709.24-133,062.72-25,530.80

Finding the Fourth Proportional to 88,709.24, 133,062.72 and 25,530.80

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Solution

The fourth proportional to 88,709.24, 133,062.72 and 25,530.80 is: 38,295.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,709.24 : 133,062.72 = 25,530.80 : x
  2. Step 2: Convert to fraction form
    88,709.24/133,062.72 = 25,530.80/x
  3. Step 3: Cross multiply
    88,709.24x = 133,062.72 × 25,530.80
  4. Step 4: Simplify right side
    88,709.24x = 3,397,197,691.78
  5. Step 5: Solve for x
    x = 3,397,197,691.78/88,709.24
  6. Step 6: Final answer
    x = 38,295.87

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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.