Home / 79,274.34-109,433.48-55,494.36

Finding the Fourth Proportional to 79,274.34, 109,433.48 and 55,494.36

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Solution

The fourth proportional to 79,274.34, 109,433.48 and 55,494.36 is: 76,606.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,274.34 : 109,433.48 = 55,494.36 : x
  2. Step 2: Convert to fraction form
    79,274.34/109,433.48 = 55,494.36/x
  3. Step 3: Cross multiply
    79,274.34x = 109,433.48 × 55,494.36
  4. Step 4: Simplify right side
    79,274.34x = 6,072,940,657.70
  5. Step 5: Solve for x
    x = 6,072,940,657.70/79,274.34
  6. Step 6: Final answer
    x = 76,606.64

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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.