Home / 86,464.60-119,318.72-48,225.30

Finding the Fourth Proportional to 86,464.60, 119,318.72 and 48,225.30

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Solution

The fourth proportional to 86,464.60, 119,318.72 and 48,225.30 is: 66,549.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,464.60 : 119,318.72 = 48,225.30 : x
  2. Step 2: Convert to fraction form
    86,464.60/119,318.72 = 48,225.30/x
  3. Step 3: Cross multiply
    86,464.60x = 119,318.72 × 48,225.30
  4. Step 4: Simplify right side
    86,464.60x = 5,754,181,067.62
  5. Step 5: Solve for x
    x = 5,754,181,067.62/86,464.60
  6. Step 6: Final answer
    x = 66,549.56

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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.