Home / 79,068.07-109,118.78-45,544.87

Finding the Fourth Proportional to 79,068.07, 109,118.78 and 45,544.87

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Solution

The fourth proportional to 79,068.07, 109,118.78 and 45,544.87 is: 62,854.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,068.07 : 109,118.78 = 45,544.87 : x
  2. Step 2: Convert to fraction form
    79,068.07/109,118.78 = 45,544.87/x
  3. Step 3: Cross multiply
    79,068.07x = 109,118.78 × 45,544.87
  4. Step 4: Simplify right side
    79,068.07x = 4,969,800,649.66
  5. Step 5: Solve for x
    x = 4,969,800,649.66/79,068.07
  6. Step 6: Final answer
    x = 62,854.71

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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.