Home / 79,021.94-109,049.22-45,032.45

Finding the Fourth Proportional to 79,021.94, 109,049.22 and 45,032.45

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Solution

The fourth proportional to 79,021.94, 109,049.22 and 45,032.45 is: 62,144.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,021.94 : 109,049.22 = 45,032.45 : x
  2. Step 2: Convert to fraction form
    79,021.94/109,049.22 = 45,032.45/x
  3. Step 3: Cross multiply
    79,021.94x = 109,049.22 × 45,032.45
  4. Step 4: Simplify right side
    79,021.94x = 4,910,753,001.94
  5. Step 5: Solve for x
    x = 4,910,753,001.94/79,021.94
  6. Step 6: Final answer
    x = 62,144.18

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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.