Home / 79,256.66-109,385.38-49,051.70

Finding the Fourth Proportional to 79,256.66, 109,385.38 and 49,051.70

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Solution

The fourth proportional to 79,256.66, 109,385.38 and 49,051.70 is: 67,698.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,256.66 : 109,385.38 = 49,051.70 : x
  2. Step 2: Convert to fraction form
    79,256.66/109,385.38 = 49,051.70/x
  3. Step 3: Cross multiply
    79,256.66x = 109,385.38 × 49,051.70
  4. Step 4: Simplify right side
    79,256.66x = 5,365,538,844.15
  5. Step 5: Solve for x
    x = 5,365,538,844.15/79,256.66
  6. Step 6: Final answer
    x = 67,698.27

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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.