Home / 86,365.39-129,535.78-27,199.52

Finding the Fourth Proportional to 86,365.39, 129,535.78 and 27,199.52

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Solution

The fourth proportional to 86,365.39, 129,535.78 and 27,199.52 is: 40,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,365.39 : 129,535.78 = 27,199.52 : x
  2. Step 2: Convert to fraction form
    86,365.39/129,535.78 = 27,199.52/x
  3. Step 3: Cross multiply
    86,365.39x = 129,535.78 × 27,199.52
  4. Step 4: Simplify right side
    86,365.39x = 3,523,310,515.03
  5. Step 5: Solve for x
    x = 3,523,310,515.03/86,365.39
  6. Step 6: Final answer
    x = 40,795.40

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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.