Home / 64,786.42-97,096.20-31,441.96

Finding the Fourth Proportional to 64,786.42, 97,096.20 and 31,441.96

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Solution

The fourth proportional to 64,786.42, 97,096.20 and 31,441.96 is: 47,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,786.42 : 97,096.20 = 31,441.96 : x
  2. Step 2: Convert to fraction form
    64,786.42/97,096.20 = 31,441.96/x
  3. Step 3: Cross multiply
    64,786.42x = 97,096.20 × 31,441.96
  4. Step 4: Simplify right side
    64,786.42x = 3,052,894,836.55
  5. Step 5: Solve for x
    x = 3,052,894,836.55/64,786.42
  6. Step 6: Final answer
    x = 47,122.45

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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.