Home / 57,111.30-85,472.55-50,112.90

Finding the Fourth Proportional to 57,111.30, 85,472.55 and 50,112.90

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Solution

The fourth proportional to 57,111.30, 85,472.55 and 50,112.90 is: 74,998.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,111.30 : 85,472.55 = 50,112.90 : x
  2. Step 2: Convert to fraction form
    57,111.30/85,472.55 = 50,112.90/x
  3. Step 3: Cross multiply
    57,111.30x = 85,472.55 × 50,112.90
  4. Step 4: Simplify right side
    57,111.30x = 4,283,277,350.90
  5. Step 5: Solve for x
    x = 4,283,277,350.90/57,111.30
  6. Step 6: Final answer
    x = 74,998.77

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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.