Home / 86,218.92-118,980.96-48,493.17

Finding the Fourth Proportional to 86,218.92, 118,980.96 and 48,493.17

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Solution

The fourth proportional to 86,218.92, 118,980.96 and 48,493.17 is: 66,919.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,218.92 : 118,980.96 = 48,493.17 : x
  2. Step 2: Convert to fraction form
    86,218.92/118,980.96 = 48,493.17/x
  3. Step 3: Cross multiply
    86,218.92x = 118,980.96 × 48,493.17
  4. Step 4: Simplify right side
    86,218.92x = 5,769,763,920.04
  5. Step 5: Solve for x
    x = 5,769,763,920.04/86,218.92
  6. Step 6: Final answer
    x = 66,919.93

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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.