Home / 77,759.22-107,311.14-43,769.90

Finding the Fourth Proportional to 77,759.22, 107,311.14 and 43,769.90

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Solution

The fourth proportional to 77,759.22, 107,311.14 and 43,769.90 is: 60,404.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,759.22 : 107,311.14 = 43,769.90 : x
  2. Step 2: Convert to fraction form
    77,759.22/107,311.14 = 43,769.90/x
  3. Step 3: Cross multiply
    77,759.22x = 107,311.14 × 43,769.90
  4. Step 4: Simplify right side
    77,759.22x = 4,696,997,866.69
  5. Step 5: Solve for x
    x = 4,696,997,866.69/77,759.22
  6. Step 6: Final answer
    x = 60,404.39

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1.5x scale

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.