Home / 86,155.44-129,208.20-33,553.20

Finding the Fourth Proportional to 86,155.44, 129,208.20 and 33,553.20

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Solution

The fourth proportional to 86,155.44, 129,208.20 and 33,553.20 is: 50,320.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,155.44 : 129,208.20 = 33,553.20 : x
  2. Step 2: Convert to fraction form
    86,155.44/129,208.20 = 33,553.20/x
  3. Step 3: Cross multiply
    86,155.44x = 129,208.20 × 33,553.20
  4. Step 4: Simplify right side
    86,155.44x = 4,335,348,576.24
  5. Step 5: Solve for x
    x = 4,335,348,576.24/86,155.44
  6. Step 6: Final answer
    x = 50,320.08

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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.