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Finding the Fourth Proportional to 85,231.80, 127,847.70 and 32,614.20

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Solution

The fourth proportional to 85,231.80, 127,847.70 and 32,614.20 is: 48,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,231.80 : 127,847.70 = 32,614.20 : x
  2. Step 2: Convert to fraction form
    85,231.80/127,847.70 = 32,614.20/x
  3. Step 3: Cross multiply
    85,231.80x = 127,847.70 × 32,614.20
  4. Step 4: Simplify right side
    85,231.80x = 4,169,650,457.34
  5. Step 5: Solve for x
    x = 4,169,650,457.34/85,231.80
  6. Step 6: Final answer
    x = 48,921.30

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1.5x scale

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.