Home / 91,714.96-126,512.89-57,669.49

Finding the Fourth Proportional to 91,714.96, 126,512.89 and 57,669.49

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Solution

The fourth proportional to 91,714.96, 126,512.89 and 57,669.49 is: 79,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,714.96 : 126,512.89 = 57,669.49 : x
  2. Step 2: Convert to fraction form
    91,714.96/126,512.89 = 57,669.49/x
  3. Step 3: Cross multiply
    91,714.96x = 126,512.89 × 57,669.49
  4. Step 4: Simplify right side
    91,714.96x = 7,295,933,844.73
  5. Step 5: Solve for x
    x = 7,295,933,844.73/91,714.96
  6. Step 6: Final answer
    x = 79,550.10

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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.