Home / 89,837.13-123,975.80-49,551.96

Finding the Fourth Proportional to 89,837.13, 123,975.80 and 49,551.96

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Solution

The fourth proportional to 89,837.13, 123,975.80 and 49,551.96 is: 68,382.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,837.13 : 123,975.80 = 49,551.96 : x
  2. Step 2: Convert to fraction form
    89,837.13/123,975.80 = 49,551.96/x
  3. Step 3: Cross multiply
    89,837.13x = 123,975.80 × 49,551.96
  4. Step 4: Simplify right side
    89,837.13x = 6,143,243,882.57
  5. Step 5: Solve for x
    x = 6,143,243,882.57/89,837.13
  6. Step 6: Final answer
    x = 68,382.01

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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.