Home / 79,504.62-109,716.02-45,512.92

Finding the Fourth Proportional to 79,504.62, 109,716.02 and 45,512.92

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Solution

The fourth proportional to 79,504.62, 109,716.02 and 45,512.92 is: 62,807.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,504.62 : 109,716.02 = 45,512.92 : x
  2. Step 2: Convert to fraction form
    79,504.62/109,716.02 = 45,512.92/x
  3. Step 3: Cross multiply
    79,504.62x = 109,716.02 × 45,512.92
  4. Step 4: Simplify right side
    79,504.62x = 4,993,496,440.98
  5. Step 5: Solve for x
    x = 4,993,496,440.98/79,504.62
  6. Step 6: Final answer
    x = 62,807.63

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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.