Home / 86,251.19-119,029.79-48,012.71

Finding the Fourth Proportional to 86,251.19, 119,029.79 and 48,012.71

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Solution

The fourth proportional to 86,251.19, 119,029.79 and 48,012.71 is: 66,259.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,251.19 : 119,029.79 = 48,012.71 : x
  2. Step 2: Convert to fraction form
    86,251.19/119,029.79 = 48,012.71/x
  3. Step 3: Cross multiply
    86,251.19x = 119,029.79 × 48,012.71
  4. Step 4: Simplify right side
    86,251.19x = 5,714,942,548.57
  5. Step 5: Solve for x
    x = 5,714,942,548.57/86,251.19
  6. Step 6: Final answer
    x = 66,259.29

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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.