Home / 64,777.20-89,395.11-36,097.98

Finding the Fourth Proportional to 64,777.20, 89,395.11 and 36,097.98

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Solution

The fourth proportional to 64,777.20, 89,395.11 and 36,097.98 is: 49,816.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,777.20 : 89,395.11 = 36,097.98 : x
  2. Step 2: Convert to fraction form
    64,777.20/89,395.11 = 36,097.98/x
  3. Step 3: Cross multiply
    64,777.20x = 89,395.11 × 36,097.98
  4. Step 4: Simplify right side
    64,777.20x = 3,226,982,892.88
  5. Step 5: Solve for x
    x = 3,226,982,892.88/64,777.20
  6. Step 6: Final answer
    x = 49,816.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.