Home / 47,081.54-64,972.58-25,860.75

Finding the Fourth Proportional to 47,081.54, 64,972.58 and 25,860.75

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Solution

The fourth proportional to 47,081.54, 64,972.58 and 25,860.75 is: 35,687.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,081.54 : 64,972.58 = 25,860.75 : x
  2. Step 2: Convert to fraction form
    47,081.54/64,972.58 = 25,860.75/x
  3. Step 3: Cross multiply
    47,081.54x = 64,972.58 × 25,860.75
  4. Step 4: Simplify right side
    47,081.54x = 1,680,239,518.93
  5. Step 5: Solve for x
    x = 1,680,239,518.93/47,081.54
  6. Step 6: Final answer
    x = 35,687.87

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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.