Home / 89,943.73-134,767.97-30,747.11

Finding the Fourth Proportional to 89,943.73, 134,767.97 and 30,747.11

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Solution

The fourth proportional to 89,943.73, 134,767.97 and 30,747.11 is: 46,070.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,943.73 : 134,767.97 = 30,747.11 : x
  2. Step 2: Convert to fraction form
    89,943.73/134,767.97 = 30,747.11/x
  3. Step 3: Cross multiply
    89,943.73x = 134,767.97 × 30,747.11
  4. Step 4: Simplify right side
    89,943.73x = 4,143,724,885.79
  5. Step 5: Solve for x
    x = 4,143,724,885.79/89,943.73
  6. Step 6: Final answer
    x = 46,070.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.