Home / 86,118.71-129,183.09-26,149.14

Finding the Fourth Proportional to 86,118.71, 129,183.09 and 26,149.14

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Solution

The fourth proportional to 86,118.71, 129,183.09 and 26,149.14 is: 39,225.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,118.71 : 129,183.09 = 26,149.14 : x
  2. Step 2: Convert to fraction form
    86,118.71/129,183.09 = 26,149.14/x
  3. Step 3: Cross multiply
    86,118.71x = 129,183.09 × 26,149.14
  4. Step 4: Simplify right side
    86,118.71x = 3,378,027,046.32
  5. Step 5: Solve for x
    x = 3,378,027,046.32/86,118.71
  6. Step 6: Final answer
    x = 39,225.24

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1.5x scale

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.