Home / 85,372.43-128,025.82-58,997.21

Finding the Fourth Proportional to 85,372.43, 128,025.82 and 58,997.21

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Solution

The fourth proportional to 85,372.43, 128,025.82 and 58,997.21 is: 88,473.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,372.43 : 128,025.82 = 58,997.21 : x
  2. Step 2: Convert to fraction form
    85,372.43/128,025.82 = 58,997.21/x
  3. Step 3: Cross multiply
    85,372.43x = 128,025.82 × 58,997.21
  4. Step 4: Simplify right side
    85,372.43x = 7,553,166,187.96
  5. Step 5: Solve for x
    x = 7,553,166,187.96/85,372.43
  6. Step 6: Final answer
    x = 88,473.13

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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.