Home / 45,257.91-67,887.63-15,676.62

Finding the Fourth Proportional to 45,257.91, 67,887.63 and 15,676.62

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Solution

The fourth proportional to 45,257.91, 67,887.63 and 15,676.62 is: 23,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,257.91 : 67,887.63 = 15,676.62 : x
  2. Step 2: Convert to fraction form
    45,257.91/67,887.63 = 15,676.62/x
  3. Step 3: Cross multiply
    45,257.91x = 67,887.63 × 15,676.62
  4. Step 4: Simplify right side
    45,257.91x = 1,064,248,578.21
  5. Step 5: Solve for x
    x = 1,064,248,578.21/45,257.91
  6. Step 6: Final answer
    x = 23,515.19

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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.