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Finding the Fourth Proportional to 57,393.70, 85,847.55 and 51,513.10

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Solution

The fourth proportional to 57,393.70, 85,847.55 and 51,513.10 is: 77,051.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,393.70 : 85,847.55 = 51,513.10 : x
  2. Step 2: Convert to fraction form
    57,393.70/85,847.55 = 51,513.10/x
  3. Step 3: Cross multiply
    57,393.70x = 85,847.55 × 51,513.10
  4. Step 4: Simplify right side
    57,393.70x = 4,422,273,427.91
  5. Step 5: Solve for x
    x = 4,422,273,427.91/57,393.70
  6. Step 6: Final answer
    x = 77,051.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.