Home / 86,338.68-119,150.62-47,578.14

Finding the Fourth Proportional to 86,338.68, 119,150.62 and 47,578.14

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Solution

The fourth proportional to 86,338.68, 119,150.62 and 47,578.14 is: 65,659.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,338.68 : 119,150.62 = 47,578.14 : x
  2. Step 2: Convert to fraction form
    86,338.68/119,150.62 = 47,578.14/x
  3. Step 3: Cross multiply
    86,338.68x = 119,150.62 × 47,578.14
  4. Step 4: Simplify right side
    86,338.68x = 5,668,964,879.45
  5. Step 5: Solve for x
    x = 5,668,964,879.45/86,338.68
  6. Step 6: Final answer
    x = 65,659.62

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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.