Home / 64,908.20-97,374.32-20,546.12

Finding the Fourth Proportional to 64,908.20, 97,374.32 and 20,546.12

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Solution

The fourth proportional to 64,908.20, 97,374.32 and 20,546.12 is: 30,822.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,908.20 : 97,374.32 = 20,546.12 : x
  2. Step 2: Convert to fraction form
    64,908.20/97,374.32 = 20,546.12/x
  3. Step 3: Cross multiply
    64,908.20x = 97,374.32 × 20,546.12
  4. Step 4: Simplify right side
    64,908.20x = 2,000,664,463.64
  5. Step 5: Solve for x
    x = 2,000,664,463.64/64,908.20
  6. Step 6: Final answer
    x = 30,822.98

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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.