Home / 86,213.28-118,974.30-48,487.50

Finding the Fourth Proportional to 86,213.28, 118,974.30 and 48,487.50

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Solution

The fourth proportional to 86,213.28, 118,974.30 and 48,487.50 is: 66,912.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,213.28 : 118,974.30 = 48,487.50 : x
  2. Step 2: Convert to fraction form
    86,213.28/118,974.30 = 48,487.50/x
  3. Step 3: Cross multiply
    86,213.28x = 118,974.30 × 48,487.50
  4. Step 4: Simplify right side
    86,213.28x = 5,768,766,371.25
  5. Step 5: Solve for x
    x = 5,768,766,371.25/86,213.28
  6. Step 6: Final answer
    x = 66,912.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.