Home / 79,321.06-109,462.03-45,329.16

Finding the Fourth Proportional to 79,321.06, 109,462.03 and 45,329.16

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Solution

The fourth proportional to 79,321.06, 109,462.03 and 45,329.16 is: 62,553.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,321.06 : 109,462.03 = 45,329.16 : x
  2. Step 2: Convert to fraction form
    79,321.06/109,462.03 = 45,329.16/x
  3. Step 3: Cross multiply
    79,321.06x = 109,462.03 × 45,329.16
  4. Step 4: Simplify right side
    79,321.06x = 4,961,821,871.79
  5. Step 5: Solve for x
    x = 4,961,821,871.79/79,321.06
  6. Step 6: Final answer
    x = 62,553.65

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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.