Home / 77,469.03-106,929.96-50,615.91

Finding the Fourth Proportional to 77,469.03, 106,929.96 and 50,615.91

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Solution

The fourth proportional to 77,469.03, 106,929.96 and 50,615.91 is: 69,864.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,469.03 : 106,929.96 = 50,615.91 : x
  2. Step 2: Convert to fraction form
    77,469.03/106,929.96 = 50,615.91/x
  3. Step 3: Cross multiply
    77,469.03x = 106,929.96 × 50,615.91
  4. Step 4: Simplify right side
    77,469.03x = 5,412,357,231.66
  5. Step 5: Solve for x
    x = 5,412,357,231.66/77,469.03
  6. Step 6: Final answer
    x = 69,864.79

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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.