Home / 86,620.14-119,537.64-48,895.20

Finding the Fourth Proportional to 86,620.14, 119,537.64 and 48,895.20

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Solution

The fourth proportional to 86,620.14, 119,537.64 and 48,895.20 is: 67,476.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,620.14 : 119,537.64 = 48,895.20 : x
  2. Step 2: Convert to fraction form
    86,620.14/119,537.64 = 48,895.20/x
  3. Step 3: Cross multiply
    86,620.14x = 119,537.64 × 48,895.20
  4. Step 4: Simplify right side
    86,620.14x = 5,844,816,815.33
  5. Step 5: Solve for x
    x = 5,844,816,815.33/86,620.14
  6. Step 6: Final answer
    x = 67,476.42

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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.