Home / 86,467.89-119,315.07-48,218.48

Finding the Fourth Proportional to 86,467.89, 119,315.07 and 48,218.48

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Solution

The fourth proportional to 86,467.89, 119,315.07 and 48,218.48 is: 66,535.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,467.89 : 119,315.07 = 48,218.48 : x
  2. Step 2: Convert to fraction form
    86,467.89/119,315.07 = 48,218.48/x
  3. Step 3: Cross multiply
    86,467.89x = 119,315.07 × 48,218.48
  4. Step 4: Simplify right side
    86,467.89x = 5,753,190,719.92
  5. Step 5: Solve for x
    x = 5,753,190,719.92/86,467.89
  6. Step 6: Final answer
    x = 66,535.57

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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.