Home / 45,648.32-68,468.61-15,660.09

Finding the Fourth Proportional to 45,648.32, 68,468.61 and 15,660.09

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Solution

The fourth proportional to 45,648.32, 68,468.61 and 15,660.09 is: 23,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,648.32 : 68,468.61 = 15,660.09 : x
  2. Step 2: Convert to fraction form
    45,648.32/68,468.61 = 15,660.09/x
  3. Step 3: Cross multiply
    45,648.32x = 68,468.61 × 15,660.09
  4. Step 4: Simplify right side
    45,648.32x = 1,072,224,594.77
  5. Step 5: Solve for x
    x = 1,072,224,594.77/45,648.32
  6. Step 6: Final answer
    x = 23,488.81

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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.