Home / 85,142.46-127,742.85-32,566.98

Finding the Fourth Proportional to 85,142.46, 127,742.85 and 32,566.98

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Solution

The fourth proportional to 85,142.46, 127,742.85 and 32,566.98 is: 48,861.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,142.46 : 127,742.85 = 32,566.98 : x
  2. Step 2: Convert to fraction form
    85,142.46/127,742.85 = 32,566.98/x
  3. Step 3: Cross multiply
    85,142.46x = 127,742.85 × 32,566.98
  4. Step 4: Simplify right side
    85,142.46x = 4,160,198,841.09
  5. Step 5: Solve for x
    x = 4,160,198,841.09/85,142.46
  6. Step 6: Final answer
    x = 48,861.62

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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.