Home / 86,409.48-119,244.51-48,169.38

Finding the Fourth Proportional to 86,409.48, 119,244.51 and 48,169.38

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Solution

The fourth proportional to 86,409.48, 119,244.51 and 48,169.38 is: 66,473.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,409.48 : 119,244.51 = 48,169.38 : x
  2. Step 2: Convert to fraction form
    86,409.48/119,244.51 = 48,169.38/x
  3. Step 3: Cross multiply
    86,409.48x = 119,244.51 × 48,169.38
  4. Step 4: Simplify right side
    86,409.48x = 5,743,934,115.10
  5. Step 5: Solve for x
    x = 5,743,934,115.10/86,409.48
  6. Step 6: Final answer
    x = 66,473.43

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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.