Home / 57,398.10-85,845.32-51,117.26

Finding the Fourth Proportional to 57,398.10, 85,845.32 and 51,117.26

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Solution

The fourth proportional to 57,398.10, 85,845.32 and 51,117.26 is: 76,451.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,398.10 : 85,845.32 = 51,117.26 : x
  2. Step 2: Convert to fraction form
    57,398.10/85,845.32 = 51,117.26/x
  3. Step 3: Cross multiply
    57,398.10x = 85,845.32 × 51,117.26
  4. Step 4: Simplify right side
    57,398.10x = 4,388,177,542.22
  5. Step 5: Solve for x
    x = 4,388,177,542.22/57,398.10
  6. Step 6: Final answer
    x = 76,451.62

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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.