Home / 57,070.60-85,617.57-19,625.80

Finding the Fourth Proportional to 57,070.60, 85,617.57 and 19,625.80

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Solution

The fourth proportional to 57,070.60, 85,617.57 and 19,625.80 is: 29,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,070.60 : 85,617.57 = 19,625.80 : x
  2. Step 2: Convert to fraction form
    57,070.60/85,617.57 = 19,625.80/x
  3. Step 3: Cross multiply
    57,070.60x = 85,617.57 × 19,625.80
  4. Step 4: Simplify right side
    57,070.60x = 1,680,313,305.31
  5. Step 5: Solve for x
    x = 1,680,313,305.31/57,070.60
  6. Step 6: Final answer
    x = 29,442.71

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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.