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Finding the Fourth Proportional to 57,573.56, 85,858.12 and 51,202.10

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Solution

The fourth proportional to 57,573.56, 85,858.12 and 51,202.10 is: 76,356.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,573.56 : 85,858.12 = 51,202.10 : x
  2. Step 2: Convert to fraction form
    57,573.56/85,858.12 = 51,202.10/x
  3. Step 3: Cross multiply
    57,573.56x = 85,858.12 × 51,202.10
  4. Step 4: Simplify right side
    57,573.56x = 4,396,116,046.05
  5. Step 5: Solve for x
    x = 4,396,116,046.05/57,573.56
  6. Step 6: Final answer
    x = 76,356.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.