Home / 86,156.46-129,209.58-33,553.44

Finding the Fourth Proportional to 86,156.46, 129,209.58 and 33,553.44

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Solution

The fourth proportional to 86,156.46, 129,209.58 and 33,553.44 is: 50,320.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,156.46 : 129,209.58 = 33,553.44 : x
  2. Step 2: Convert to fraction form
    86,156.46/129,209.58 = 33,553.44/x
  3. Step 3: Cross multiply
    86,156.46x = 129,209.58 × 33,553.44
  4. Step 4: Simplify right side
    86,156.46x = 4,335,425,889.96
  5. Step 5: Solve for x
    x = 4,335,425,889.96/86,156.46
  6. Step 6: Final answer
    x = 50,320.38

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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.