Home / 49,541.12-68,393.28-38,185.76

Finding the Fourth Proportional to 49,541.12, 68,393.28 and 38,185.76

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Solution

The fourth proportional to 49,541.12, 68,393.28 and 38,185.76 is: 52,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,541.12 : 68,393.28 = 38,185.76 : x
  2. Step 2: Convert to fraction form
    49,541.12/68,393.28 = 38,185.76/x
  3. Step 3: Cross multiply
    49,541.12x = 68,393.28 × 38,185.76
  4. Step 4: Simplify right side
    49,541.12x = 2,611,649,375.69
  5. Step 5: Solve for x
    x = 2,611,649,375.69/49,541.12
  6. Step 6: Final answer
    x = 52,716.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.