Home / 91,884.20-126,819.96-56,066.54

Finding the Fourth Proportional to 91,884.20, 126,819.96 and 56,066.54

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Solution

The fourth proportional to 91,884.20, 126,819.96 and 56,066.54 is: 77,383.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,884.20 : 126,819.96 = 56,066.54 : x
  2. Step 2: Convert to fraction form
    91,884.20/126,819.96 = 56,066.54/x
  3. Step 3: Cross multiply
    91,884.20x = 126,819.96 × 56,066.54
  4. Step 4: Simplify right side
    91,884.20x = 7,110,356,360.14
  5. Step 5: Solve for x
    x = 7,110,356,360.14/91,884.20
  6. Step 6: Final answer
    x = 77,383.88

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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.