Home / 86,723.11-119,662.58-48,470.42

Finding the Fourth Proportional to 86,723.11, 119,662.58 and 48,470.42

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Solution

The fourth proportional to 86,723.11, 119,662.58 and 48,470.42 is: 66,880.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,723.11 : 119,662.58 = 48,470.42 : x
  2. Step 2: Convert to fraction form
    86,723.11/119,662.58 = 48,470.42/x
  3. Step 3: Cross multiply
    86,723.11x = 119,662.58 × 48,470.42
  4. Step 4: Simplify right side
    86,723.11x = 5,800,095,510.88
  5. Step 5: Solve for x
    x = 5,800,095,510.88/86,723.11
  6. Step 6: Final answer
    x = 66,880.63

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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.