Home / 91,542.36-126,313.86-51,257.82

Finding the Fourth Proportional to 91,542.36, 126,313.86 and 51,257.82

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Solution

The fourth proportional to 91,542.36, 126,313.86 and 51,257.82 is: 70,727.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,542.36 : 126,313.86 = 51,257.82 : x
  2. Step 2: Convert to fraction form
    91,542.36/126,313.86 = 51,257.82/x
  3. Step 3: Cross multiply
    91,542.36x = 126,313.86 × 51,257.82
  4. Step 4: Simplify right side
    91,542.36x = 6,474,573,099.39
  5. Step 5: Solve for x
    x = 6,474,573,099.39/91,542.36
  6. Step 6: Final answer
    x = 70,727.62

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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.