Home / 57,231.40-85,847.10-53,084.20

Finding the Fourth Proportional to 57,231.40, 85,847.10 and 53,084.20

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Solution

The fourth proportional to 57,231.40, 85,847.10 and 53,084.20 is: 79,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,231.40 : 85,847.10 = 53,084.20 : x
  2. Step 2: Convert to fraction form
    57,231.40/85,847.10 = 53,084.20/x
  3. Step 3: Cross multiply
    57,231.40x = 85,847.10 × 53,084.20
  4. Step 4: Simplify right side
    57,231.40x = 4,557,124,625.82
  5. Step 5: Solve for x
    x = 4,557,124,625.82/57,231.40
  6. Step 6: Final answer
    x = 79,626.30

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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.