Home / 57,077.20-85,593.72-19,630.16

Finding the Fourth Proportional to 57,077.20, 85,593.72 and 19,630.16

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Solution

The fourth proportional to 57,077.20, 85,593.72 and 19,630.16 is: 29,437.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,077.20 : 85,593.72 = 19,630.16 : x
  2. Step 2: Convert to fraction form
    57,077.20/85,593.72 = 19,630.16/x
  3. Step 3: Cross multiply
    57,077.20x = 85,593.72 × 19,630.16
  4. Step 4: Simplify right side
    57,077.20x = 1,680,218,418.60
  5. Step 5: Solve for x
    x = 1,680,218,418.60/57,077.20
  6. Step 6: Final answer
    x = 29,437.65

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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.