Home / 72,650.36-108,872.03-53,524.57

Finding the Fourth Proportional to 72,650.36, 108,872.03 and 53,524.57

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Solution

The fourth proportional to 72,650.36, 108,872.03 and 53,524.57 is: 80,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,650.36 : 108,872.03 = 53,524.57 : x
  2. Step 2: Convert to fraction form
    72,650.36/108,872.03 = 53,524.57/x
  3. Step 3: Cross multiply
    72,650.36x = 108,872.03 × 53,524.57
  4. Step 4: Simplify right side
    72,650.36x = 5,827,328,394.38
  5. Step 5: Solve for x
    x = 5,827,328,394.38/72,650.36
  6. Step 6: Final answer
    x = 80,210.60

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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.