Home / 91,057.52-125,659.85-50,772.98

Finding the Fourth Proportional to 91,057.52, 125,659.85 and 50,772.98

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Solution

The fourth proportional to 91,057.52, 125,659.85 and 50,772.98 is: 70,066.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,057.52 : 125,659.85 = 50,772.98 : x
  2. Step 2: Convert to fraction form
    91,057.52/125,659.85 = 50,772.98/x
  3. Step 3: Cross multiply
    91,057.52x = 125,659.85 × 50,772.98
  4. Step 4: Simplify right side
    91,057.52x = 6,380,125,111.14
  5. Step 5: Solve for x
    x = 6,380,125,111.14/91,057.52
  6. Step 6: Final answer
    x = 70,066.97

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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.