Home / 86,557.28-129,757.55-33,952.64

Finding the Fourth Proportional to 86,557.28, 129,757.55 and 33,952.64

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Solution

The fourth proportional to 86,557.28, 129,757.55 and 33,952.64 is: 50,898.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,557.28 : 129,757.55 = 33,952.64 : x
  2. Step 2: Convert to fraction form
    86,557.28/129,757.55 = 33,952.64/x
  3. Step 3: Cross multiply
    86,557.28x = 129,757.55 × 33,952.64
  4. Step 4: Simplify right side
    86,557.28x = 4,405,610,563.88
  5. Step 5: Solve for x
    x = 4,405,610,563.88/86,557.28
  6. Step 6: Final answer
    x = 50,898.21

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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.