Home / 57,070.35-85,617.20-19,625.56

Finding the Fourth Proportional to 57,070.35, 85,617.20 and 19,625.56

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Solution

The fourth proportional to 57,070.35, 85,617.20 and 19,625.56 is: 29,442.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,070.35 : 85,617.20 = 19,625.56 : x
  2. Step 2: Convert to fraction form
    57,070.35/85,617.20 = 19,625.56/x
  3. Step 3: Cross multiply
    57,070.35x = 85,617.20 × 19,625.56
  4. Step 4: Simplify right side
    57,070.35x = 1,680,285,183.46
  5. Step 5: Solve for x
    x = 1,680,285,183.46/57,070.35
  6. Step 6: Final answer
    x = 29,442.35

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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.