Home / 45,426.35-68,138.91-15,844.07

Finding the Fourth Proportional to 45,426.35, 68,138.91 and 15,844.07

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Solution

The fourth proportional to 45,426.35, 68,138.91 and 15,844.07 is: 23,765.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,426.35 : 68,138.91 = 15,844.07 : x
  2. Step 2: Convert to fraction form
    45,426.35/68,138.91 = 15,844.07/x
  3. Step 3: Cross multiply
    45,426.35x = 68,138.91 × 15,844.07
  4. Step 4: Simplify right side
    45,426.35x = 1,079,597,830.11
  5. Step 5: Solve for x
    x = 1,079,597,830.11/45,426.35
  6. Step 6: Final answer
    x = 23,765.89

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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.