Home / 86,441.05-129,661.59-27,282.70

Finding the Fourth Proportional to 86,441.05, 129,661.59 and 27,282.70

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Solution

The fourth proportional to 86,441.05, 129,661.59 and 27,282.70 is: 40,924.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,441.05 : 129,661.59 = 27,282.70 : x
  2. Step 2: Convert to fraction form
    86,441.05/129,661.59 = 27,282.70/x
  3. Step 3: Cross multiply
    86,441.05x = 129,661.59 × 27,282.70
  4. Step 4: Simplify right side
    86,441.05x = 3,537,517,613.19
  5. Step 5: Solve for x
    x = 3,537,517,613.19/86,441.05
  6. Step 6: Final answer
    x = 40,924.05

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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.