Home / 89,608.52-123,678.44-53,800.04

Finding the Fourth Proportional to 89,608.52, 123,678.44 and 53,800.04

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Solution

The fourth proportional to 89,608.52, 123,678.44 and 53,800.04 is: 74,255.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,608.52 : 123,678.44 = 53,800.04 : x
  2. Step 2: Convert to fraction form
    89,608.52/123,678.44 = 53,800.04/x
  3. Step 3: Cross multiply
    89,608.52x = 123,678.44 × 53,800.04
  4. Step 4: Simplify right side
    89,608.52x = 6,653,905,019.14
  5. Step 5: Solve for x
    x = 6,653,905,019.14/89,608.52
  6. Step 6: Final answer
    x = 74,255.27

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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.