Home / 51,969.20-77,844.45-43,221.20

Finding the Fourth Proportional to 51,969.20, 77,844.45 and 43,221.20

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Solution

The fourth proportional to 51,969.20, 77,844.45 and 43,221.20 is: 64,740.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,969.20 : 77,844.45 = 43,221.20 : x
  2. Step 2: Convert to fraction form
    51,969.20/77,844.45 = 43,221.20/x
  3. Step 3: Cross multiply
    51,969.20x = 77,844.45 × 43,221.20
  4. Step 4: Simplify right side
    51,969.20x = 3,364,530,542.34
  5. Step 5: Solve for x
    x = 3,364,530,542.34/51,969.20
  6. Step 6: Final answer
    x = 64,740.86

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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.