Home / 89,376.44-123,340.50-49,091.15

Finding the Fourth Proportional to 89,376.44, 123,340.50 and 49,091.15

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Solution

The fourth proportional to 89,376.44, 123,340.50 and 49,091.15 is: 67,746.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,376.44 : 123,340.50 = 49,091.15 : x
  2. Step 2: Convert to fraction form
    89,376.44/123,340.50 = 49,091.15/x
  3. Step 3: Cross multiply
    89,376.44x = 123,340.50 × 49,091.15
  4. Step 4: Simplify right side
    89,376.44x = 6,054,926,369.87
  5. Step 5: Solve for x
    x = 6,054,926,369.87/89,376.44
  6. Step 6: Final answer
    x = 67,746.34

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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.