Home / 45,558.88-68,338.03-15,558.65

Finding the Fourth Proportional to 45,558.88, 68,338.03 and 15,558.65

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Solution

The fourth proportional to 45,558.88, 68,338.03 and 15,558.65 is: 23,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,558.88 : 68,338.03 = 15,558.65 : x
  2. Step 2: Convert to fraction form
    45,558.88/68,338.03 = 15,558.65/x
  3. Step 3: Cross multiply
    45,558.88x = 68,338.03 × 15,558.65
  4. Step 4: Simplify right side
    45,558.88x = 1,063,247,070.98
  5. Step 5: Solve for x
    x = 1,063,247,070.98/45,558.88
  6. Step 6: Final answer
    x = 23,337.87

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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.