Home / 86,176.40-129,211.68-33,524.60

Finding the Fourth Proportional to 86,176.40, 129,211.68 and 33,524.60

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Solution

The fourth proportional to 86,176.40, 129,211.68 and 33,524.60 is: 50,266.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,176.40 : 129,211.68 = 33,524.60 : x
  2. Step 2: Convert to fraction form
    86,176.40/129,211.68 = 33,524.60/x
  3. Step 3: Cross multiply
    86,176.40x = 129,211.68 × 33,524.60
  4. Step 4: Simplify right side
    86,176.40x = 4,331,769,887.33
  5. Step 5: Solve for x
    x = 4,331,769,887.33/86,176.40
  6. Step 6: Final answer
    x = 50,266.31

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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.