Home / 86,073.39-129,060.43-33,421.37

Finding the Fourth Proportional to 86,073.39, 129,060.43 and 33,421.37

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Solution

The fourth proportional to 86,073.39, 129,060.43 and 33,421.37 is: 50,112.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,073.39 : 129,060.43 = 33,421.37 : x
  2. Step 2: Convert to fraction form
    86,073.39/129,060.43 = 33,421.37/x
  3. Step 3: Cross multiply
    86,073.39x = 129,060.43 × 33,421.37
  4. Step 4: Simplify right side
    86,073.39x = 4,313,375,654.53
  5. Step 5: Solve for x
    x = 4,313,375,654.53/86,073.39
  6. Step 6: Final answer
    x = 50,112.77

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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.