Home / 86,500.22-129,735.38-39,104.29

Finding the Fourth Proportional to 86,500.22, 129,735.38 and 39,104.29

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Solution

The fourth proportional to 86,500.22, 129,735.38 and 39,104.29 is: 58,649.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,500.22 : 129,735.38 = 39,104.29 : x
  2. Step 2: Convert to fraction form
    86,500.22/129,735.38 = 39,104.29/x
  3. Step 3: Cross multiply
    86,500.22x = 129,735.38 × 39,104.29
  4. Step 4: Simplify right side
    86,500.22x = 5,073,210,135.81
  5. Step 5: Solve for x
    x = 5,073,210,135.81/86,500.22
  6. Step 6: Final answer
    x = 58,649.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.