Home / 86,051.62-129,027.30-33,399.59

Finding the Fourth Proportional to 86,051.62, 129,027.30 and 33,399.59

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Solution

The fourth proportional to 86,051.62, 129,027.30 and 33,399.59 is: 50,079.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,051.62 : 129,027.30 = 33,399.59 : x
  2. Step 2: Convert to fraction form
    86,051.62/129,027.30 = 33,399.59/x
  3. Step 3: Cross multiply
    86,051.62x = 129,027.30 × 33,399.59
  4. Step 4: Simplify right side
    86,051.62x = 4,309,459,156.01
  5. Step 5: Solve for x
    x = 4,309,459,156.01/86,051.62
  6. Step 6: Final answer
    x = 50,079.93

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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.