Home / 86,706.15-130,052.38-27,542.33

Finding the Fourth Proportional to 86,706.15, 130,052.38 and 27,542.33

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Solution

The fourth proportional to 86,706.15, 130,052.38 and 27,542.33 is: 41,311.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,706.15 : 130,052.38 = 27,542.33 : x
  2. Step 2: Convert to fraction form
    86,706.15/130,052.38 = 27,542.33/x
  3. Step 3: Cross multiply
    86,706.15x = 130,052.38 × 27,542.33
  4. Step 4: Simplify right side
    86,706.15x = 3,581,945,567.25
  5. Step 5: Solve for x
    x = 3,581,945,567.25/86,706.15
  6. Step 6: Final answer
    x = 41,311.32

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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.