Home / 57,213.15-78,910.65-50,127.27

Finding the Fourth Proportional to 57,213.15, 78,910.65 and 50,127.27

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Solution

The fourth proportional to 57,213.15, 78,910.65 and 50,127.27 is: 69,137.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,213.15 : 78,910.65 = 50,127.27 : x
  2. Step 2: Convert to fraction form
    57,213.15/78,910.65 = 50,127.27/x
  3. Step 3: Cross multiply
    57,213.15x = 78,910.65 × 50,127.27
  4. Step 4: Simplify right side
    57,213.15x = 3,955,575,458.43
  5. Step 5: Solve for x
    x = 3,955,575,458.43/57,213.15
  6. Step 6: Final answer
    x = 69,137.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.