Home / 79,739.24-109,996.26-55,901.48

Finding the Fourth Proportional to 79,739.24, 109,996.26 and 55,901.48

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Solution

The fourth proportional to 79,739.24, 109,996.26 and 55,901.48 is: 77,113.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,739.24 : 109,996.26 = 55,901.48 : x
  2. Step 2: Convert to fraction form
    79,739.24/109,996.26 = 55,901.48/x
  3. Step 3: Cross multiply
    79,739.24x = 109,996.26 × 55,901.48
  4. Step 4: Simplify right side
    79,739.24x = 6,148,953,728.46
  5. Step 5: Solve for x
    x = 6,148,953,728.46/79,739.24
  6. Step 6: Final answer
    x = 77,113.27

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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.