Home / 57,112.30-85,474.05-50,113.90

Finding the Fourth Proportional to 57,112.30, 85,474.05 and 50,113.90

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Solution

The fourth proportional to 57,112.30, 85,474.05 and 50,113.90 is: 75,000.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,112.30 : 85,474.05 = 50,113.90 : x
  2. Step 2: Convert to fraction form
    57,112.30/85,474.05 = 50,113.90/x
  3. Step 3: Cross multiply
    57,112.30x = 85,474.05 × 50,113.90
  4. Step 4: Simplify right side
    57,112.30x = 4,283,437,994.30
  5. Step 5: Solve for x
    x = 4,283,437,994.30/57,112.30
  6. Step 6: Final answer
    x = 75,000.27

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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.