Home / 79,273.02-109,397.68-45,286.02

Finding the Fourth Proportional to 79,273.02, 109,397.68 and 45,286.02

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Solution

The fourth proportional to 79,273.02, 109,397.68 and 45,286.02 is: 62,495.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,273.02 : 109,397.68 = 45,286.02 : x
  2. Step 2: Convert to fraction form
    79,273.02/109,397.68 = 45,286.02/x
  3. Step 3: Cross multiply
    79,273.02x = 109,397.68 × 45,286.02
  4. Step 4: Simplify right side
    79,273.02x = 4,954,185,524.43
  5. Step 5: Solve for x
    x = 4,954,185,524.43/79,273.02
  6. Step 6: Final answer
    x = 62,495.23

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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.