Home / 79,274.02-109,399.06-45,287.02

Finding the Fourth Proportional to 79,274.02, 109,399.06 and 45,287.02

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Solution

The fourth proportional to 79,274.02, 109,399.06 and 45,287.02 is: 62,496.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,274.02 : 109,399.06 = 45,287.02 : x
  2. Step 2: Convert to fraction form
    79,274.02/109,399.06 = 45,287.02/x
  3. Step 3: Cross multiply
    79,274.02x = 109,399.06 × 45,287.02
  4. Step 4: Simplify right side
    79,274.02x = 4,954,357,418.20
  5. Step 5: Solve for x
    x = 4,954,357,418.20/79,274.02
  6. Step 6: Final answer
    x = 62,496.61

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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.