Home / 86,795.25-119,771.78-48,548.16

Finding the Fourth Proportional to 86,795.25, 119,771.78 and 48,548.16

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Solution

The fourth proportional to 86,795.25, 119,771.78 and 48,548.16 is: 66,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,795.25 : 119,771.78 = 48,548.16 : x
  2. Step 2: Convert to fraction form
    86,795.25/119,771.78 = 48,548.16/x
  3. Step 3: Cross multiply
    86,795.25x = 119,771.78 × 48,548.16
  4. Step 4: Simplify right side
    86,795.25x = 5,814,699,296.18
  5. Step 5: Solve for x
    x = 5,814,699,296.18/86,795.25
  6. Step 6: Final answer
    x = 66,993.29

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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.