Home / 86,736.48-130,091.16-27,564.40

Finding the Fourth Proportional to 86,736.48, 130,091.16 and 27,564.40

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Solution

The fourth proportional to 86,736.48, 130,091.16 and 27,564.40 is: 41,342.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,736.48 : 130,091.16 = 27,564.40 : x
  2. Step 2: Convert to fraction form
    86,736.48/130,091.16 = 27,564.40/x
  3. Step 3: Cross multiply
    86,736.48x = 130,091.16 × 27,564.40
  4. Step 4: Simplify right side
    86,736.48x = 3,585,884,770.70
  5. Step 5: Solve for x
    x = 3,585,884,770.70/86,736.48
  6. Step 6: Final answer
    x = 41,342.29

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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.