Home / 86,651.15-119,574.31-48,403.11

Finding the Fourth Proportional to 86,651.15, 119,574.31 and 48,403.11

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Solution

The fourth proportional to 86,651.15, 119,574.31 and 48,403.11 is: 66,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,651.15 : 119,574.31 = 48,403.11 : x
  2. Step 2: Convert to fraction form
    86,651.15/119,574.31 = 48,403.11/x
  3. Step 3: Cross multiply
    86,651.15x = 119,574.31 × 48,403.11
  4. Step 4: Simplify right side
    86,651.15x = 5,787,768,238.09
  5. Step 5: Solve for x
    x = 5,787,768,238.09/86,651.15
  6. Step 6: Final answer
    x = 66,793.90

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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.