Home / 86,532.21-129,805.61-27,366.57

Finding the Fourth Proportional to 86,532.21, 129,805.61 and 27,366.57

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Solution

The fourth proportional to 86,532.21, 129,805.61 and 27,366.57 is: 41,052.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,532.21 : 129,805.61 = 27,366.57 : x
  2. Step 2: Convert to fraction form
    86,532.21/129,805.61 = 27,366.57/x
  3. Step 3: Cross multiply
    86,532.21x = 129,805.61 × 27,366.57
  4. Step 4: Simplify right side
    86,532.21x = 3,552,334,175.62
  5. Step 5: Solve for x
    x = 3,552,334,175.62/86,532.21
  6. Step 6: Final answer
    x = 41,052.16

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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.