Home / 73,071.28-100,846.07-42,881.95

Finding the Fourth Proportional to 73,071.28, 100,846.07 and 42,881.95

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Solution

The fourth proportional to 73,071.28, 100,846.07 and 42,881.95 is: 59,181.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,071.28 : 100,846.07 = 42,881.95 : x
  2. Step 2: Convert to fraction form
    73,071.28/100,846.07 = 42,881.95/x
  3. Step 3: Cross multiply
    73,071.28x = 100,846.07 × 42,881.95
  4. Step 4: Simplify right side
    73,071.28x = 4,324,476,131.44
  5. Step 5: Solve for x
    x = 4,324,476,131.44/73,071.28
  6. Step 6: Final answer
    x = 59,181.61

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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.