Home / 64,479.20-96,676.88-27,063.36

Finding the Fourth Proportional to 64,479.20, 96,676.88 and 27,063.36

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Solution

The fourth proportional to 64,479.20, 96,676.88 and 27,063.36 is: 40,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,479.20 : 96,676.88 = 27,063.36 : x
  2. Step 2: Convert to fraction form
    64,479.20/96,676.88 = 27,063.36/x
  3. Step 3: Cross multiply
    64,479.20x = 96,676.88 × 27,063.36
  4. Step 4: Simplify right side
    64,479.20x = 2,616,401,207.12
  5. Step 5: Solve for x
    x = 2,616,401,207.12/64,479.20
  6. Step 6: Final answer
    x = 40,577.45

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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.