Home / 57,418.20-85,884.30-51,537.60

Finding the Fourth Proportional to 57,418.20, 85,884.30 and 51,537.60

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Solution

The fourth proportional to 57,418.20, 85,884.30 and 51,537.60 is: 77,088.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,418.20 : 85,884.30 = 51,537.60 : x
  2. Step 2: Convert to fraction form
    57,418.20/85,884.30 = 51,537.60/x
  3. Step 3: Cross multiply
    57,418.20x = 85,884.30 × 51,537.60
  4. Step 4: Simplify right side
    57,418.20x = 4,426,270,699.68
  5. Step 5: Solve for x
    x = 4,426,270,699.68/57,418.20
  6. Step 6: Final answer
    x = 77,088.29

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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.