Home / 50,881.30-75,951.34-47,129.21

Finding the Fourth Proportional to 50,881.30, 75,951.34 and 47,129.21

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Solution

The fourth proportional to 50,881.30, 75,951.34 and 47,129.21 is: 70,350.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,881.30 : 75,951.34 = 47,129.21 : x
  2. Step 2: Convert to fraction form
    50,881.30/75,951.34 = 47,129.21/x
  3. Step 3: Cross multiply
    50,881.30x = 75,951.34 × 47,129.21
  4. Step 4: Simplify right side
    50,881.30x = 3,579,526,439.88
  5. Step 5: Solve for x
    x = 3,579,526,439.88/50,881.30
  6. Step 6: Final answer
    x = 70,350.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.