Home / 86,396.82-119,222.61-48,155.10

Finding the Fourth Proportional to 86,396.82, 119,222.61 and 48,155.10

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Solution

The fourth proportional to 86,396.82, 119,222.61 and 48,155.10 is: 66,451.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,396.82 : 119,222.61 = 48,155.10 : x
  2. Step 2: Convert to fraction form
    86,396.82/119,222.61 = 48,155.10/x
  3. Step 3: Cross multiply
    86,396.82x = 119,222.61 × 48,155.10
  4. Step 4: Simplify right side
    86,396.82x = 5,741,176,706.81
  5. Step 5: Solve for x
    x = 5,741,176,706.81/86,396.82
  6. Step 6: Final answer
    x = 66,451.25

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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.