Home / 57,016.87-78,695.77-33,157.30

Finding the Fourth Proportional to 57,016.87, 78,695.77 and 33,157.30

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Solution

The fourth proportional to 57,016.87, 78,695.77 and 33,157.30 is: 45,764.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,016.87 : 78,695.77 = 33,157.30 : x
  2. Step 2: Convert to fraction form
    57,016.87/78,695.77 = 33,157.30/x
  3. Step 3: Cross multiply
    57,016.87x = 78,695.77 × 33,157.30
  4. Step 4: Simplify right side
    57,016.87x = 2,609,339,254.62
  5. Step 5: Solve for x
    x = 2,609,339,254.62/57,016.87
  6. Step 6: Final answer
    x = 45,764.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.