Home / 86,728.96-130,104.48-27,543.52

Finding the Fourth Proportional to 86,728.96, 130,104.48 and 27,543.52

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Solution

The fourth proportional to 86,728.96, 130,104.48 and 27,543.52 is: 41,318.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,728.96 : 130,104.48 = 27,543.52 : x
  2. Step 2: Convert to fraction form
    86,728.96/130,104.48 = 27,543.52/x
  3. Step 3: Cross multiply
    86,728.96x = 130,104.48 × 27,543.52
  4. Step 4: Simplify right side
    86,728.96x = 3,583,535,346.97
  5. Step 5: Solve for x
    x = 3,583,535,346.97/86,728.96
  6. Step 6: Final answer
    x = 41,318.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.