Home / 89,428.44-123,414.36-49,145.88

Finding the Fourth Proportional to 89,428.44, 123,414.36 and 49,145.88

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Solution

The fourth proportional to 89,428.44, 123,414.36 and 49,145.88 is: 67,823.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,428.44 : 123,414.36 = 49,145.88 : x
  2. Step 2: Convert to fraction form
    89,428.44/123,414.36 = 49,145.88/x
  3. Step 3: Cross multiply
    89,428.44x = 123,414.36 × 49,145.88
  4. Step 4: Simplify right side
    89,428.44x = 6,065,307,326.84
  5. Step 5: Solve for x
    x = 6,065,307,326.84/89,428.44
  6. Step 6: Final answer
    x = 67,823.03

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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.