Home / 86,119.68-118,839.24-48,399.60

Finding the Fourth Proportional to 86,119.68, 118,839.24 and 48,399.60

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Solution

The fourth proportional to 86,119.68, 118,839.24 and 48,399.60 is: 66,788.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,119.68 : 118,839.24 = 48,399.60 : x
  2. Step 2: Convert to fraction form
    86,119.68/118,839.24 = 48,399.60/x
  3. Step 3: Cross multiply
    86,119.68x = 118,839.24 × 48,399.60
  4. Step 4: Simplify right side
    86,119.68x = 5,751,771,680.30
  5. Step 5: Solve for x
    x = 5,751,771,680.30/86,119.68
  6. Step 6: Final answer
    x = 66,788.12

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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.