Home / 86,441.92-129,588.92-33,172.12

Finding the Fourth Proportional to 86,441.92, 129,588.92 and 33,172.12

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Solution

The fourth proportional to 86,441.92, 129,588.92 and 33,172.12 is: 49,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,441.92 : 129,588.92 = 33,172.12 : x
  2. Step 2: Convert to fraction form
    86,441.92/129,588.92 = 33,172.12/x
  3. Step 3: Cross multiply
    86,441.92x = 129,588.92 × 33,172.12
  4. Step 4: Simplify right side
    86,441.92x = 4,298,739,204.91
  5. Step 5: Solve for x
    x = 4,298,739,204.91/86,441.92
  6. Step 6: Final answer
    x = 49,729.80

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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.