Home / 86,619.67-119,501.60-50,796.61

Finding the Fourth Proportional to 86,619.67, 119,501.60 and 50,796.61

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Solution

The fourth proportional to 86,619.67, 119,501.60 and 50,796.61 is: 70,079.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,619.67 : 119,501.60 = 50,796.61 : x
  2. Step 2: Convert to fraction form
    86,619.67/119,501.60 = 50,796.61/x
  3. Step 3: Cross multiply
    86,619.67x = 119,501.60 × 50,796.61
  4. Step 4: Simplify right side
    86,619.67x = 6,070,275,616.84
  5. Step 5: Solve for x
    x = 6,070,275,616.84/86,619.67
  6. Step 6: Final answer
    x = 70,079.65

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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.