Home / 72,220.94-108,309.33-25,462.88

Finding the Fourth Proportional to 72,220.94, 108,309.33 and 25,462.88

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Solution

The fourth proportional to 72,220.94, 108,309.33 and 25,462.88 is: 38,186.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,220.94 : 108,309.33 = 25,462.88 : x
  2. Step 2: Convert to fraction form
    72,220.94/108,309.33 = 25,462.88/x
  3. Step 3: Cross multiply
    72,220.94x = 108,309.33 × 25,462.88
  4. Step 4: Simplify right side
    72,220.94x = 2,757,866,931.12
  5. Step 5: Solve for x
    x = 2,757,866,931.12/72,220.94
  6. Step 6: Final answer
    x = 38,186.53

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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.