Home / 91,168.83-125,819.31-50,890.44

Finding the Fourth Proportional to 91,168.83, 125,819.31 and 50,890.44

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Solution

The fourth proportional to 91,168.83, 125,819.31 and 50,890.44 is: 70,232.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,168.83 : 125,819.31 = 50,890.44 : x
  2. Step 2: Convert to fraction form
    91,168.83/125,819.31 = 50,890.44/x
  3. Step 3: Cross multiply
    91,168.83x = 125,819.31 × 50,890.44
  4. Step 4: Simplify right side
    91,168.83x = 6,403,000,046.40
  5. Step 5: Solve for x
    x = 6,403,000,046.40/91,168.83
  6. Step 6: Final answer
    x = 70,232.34

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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.