Home / 74,391.92-111,539.38-26,998.08

Finding the Fourth Proportional to 74,391.92, 111,539.38 and 26,998.08

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Solution

The fourth proportional to 74,391.92, 111,539.38 and 26,998.08 is: 40,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,391.92 : 111,539.38 = 26,998.08 : x
  2. Step 2: Convert to fraction form
    74,391.92/111,539.38 = 26,998.08/x
  3. Step 3: Cross multiply
    74,391.92x = 111,539.38 × 26,998.08
  4. Step 4: Simplify right side
    74,391.92x = 3,011,349,104.39
  5. Step 5: Solve for x
    x = 3,011,349,104.39/74,391.92
  6. Step 6: Final answer
    x = 40,479.52

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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.