Home / 86,914.80-119,932.52-48,669.03

Finding the Fourth Proportional to 86,914.80, 119,932.52 and 48,669.03

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Solution

The fourth proportional to 86,914.80, 119,932.52 and 48,669.03 is: 67,157.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,914.80 : 119,932.52 = 48,669.03 : x
  2. Step 2: Convert to fraction form
    86,914.80/119,932.52 = 48,669.03/x
  3. Step 3: Cross multiply
    86,914.80x = 119,932.52 × 48,669.03
  4. Step 4: Simplify right side
    86,914.80x = 5,836,999,170.51
  5. Step 5: Solve for x
    x = 5,836,999,170.51/86,914.80
  6. Step 6: Final answer
    x = 67,157.71

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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.