Home / 86,396.12-119,212.19-48,147.29

Finding the Fourth Proportional to 86,396.12, 119,212.19 and 48,147.29

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Solution

The fourth proportional to 86,396.12, 119,212.19 and 48,147.29 is: 66,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,396.12 : 119,212.19 = 48,147.29 : x
  2. Step 2: Convert to fraction form
    86,396.12/119,212.19 = 48,147.29/x
  3. Step 3: Cross multiply
    86,396.12x = 119,212.19 × 48,147.29
  4. Step 4: Simplify right side
    86,396.12x = 5,739,743,883.47
  5. Step 5: Solve for x
    x = 5,739,743,883.47/86,396.12
  6. Step 6: Final answer
    x = 66,435.20

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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.