Home / 79,244.34-109,366.20-45,257.69

Finding the Fourth Proportional to 79,244.34, 109,366.20 and 45,257.69

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Solution

The fourth proportional to 79,244.34, 109,366.20 and 45,257.69 is: 62,460.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,244.34 : 109,366.20 = 45,257.69 : x
  2. Step 2: Convert to fraction form
    79,244.34/109,366.20 = 45,257.69/x
  3. Step 3: Cross multiply
    79,244.34x = 109,366.20 × 45,257.69
  4. Step 4: Simplify right side
    79,244.34x = 4,949,661,029.25
  5. Step 5: Solve for x
    x = 4,949,661,029.25/79,244.34
  6. Step 6: Final answer
    x = 62,460.75

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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.