Home / 86,259.60-129,388.23-22,217.38

Finding the Fourth Proportional to 86,259.60, 129,388.23 and 22,217.38

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Solution

The fourth proportional to 86,259.60, 129,388.23 and 22,217.38 is: 33,325.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,259.60 : 129,388.23 = 22,217.38 : x
  2. Step 2: Convert to fraction form
    86,259.60/129,388.23 = 22,217.38/x
  3. Step 3: Cross multiply
    86,259.60x = 129,388.23 × 22,217.38
  4. Step 4: Simplify right side
    86,259.60x = 2,874,667,473.44
  5. Step 5: Solve for x
    x = 2,874,667,473.44/86,259.60
  6. Step 6: Final answer
    x = 33,325.77

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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.