Home / 57,016.08-85,519.80-20,054.16

Finding the Fourth Proportional to 57,016.08, 85,519.80 and 20,054.16

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Solution

The fourth proportional to 57,016.08, 85,519.80 and 20,054.16 is: 30,079.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,016.08 : 85,519.80 = 20,054.16 : x
  2. Step 2: Convert to fraction form
    57,016.08/85,519.80 = 20,054.16/x
  3. Step 3: Cross multiply
    57,016.08x = 85,519.80 × 20,054.16
  4. Step 4: Simplify right side
    57,016.08x = 1,715,027,752.37
  5. Step 5: Solve for x
    x = 1,715,027,752.37/57,016.08
  6. Step 6: Final answer
    x = 30,079.72

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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.