Home / 64,764.55-97,121.30-31,474.76

Finding the Fourth Proportional to 64,764.55, 97,121.30 and 31,474.76

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Solution

The fourth proportional to 64,764.55, 97,121.30 and 31,474.76 is: 47,199.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,764.55 : 97,121.30 = 31,474.76 : x
  2. Step 2: Convert to fraction form
    64,764.55/97,121.30 = 31,474.76/x
  3. Step 3: Cross multiply
    64,764.55x = 97,121.30 × 31,474.76
  4. Step 4: Simplify right side
    64,764.55x = 3,056,869,608.39
  5. Step 5: Solve for x
    x = 3,056,869,608.39/64,764.55
  6. Step 6: Final answer
    x = 47,199.74

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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.