Home / 91,257.92-125,936.52-50,971.98

Finding the Fourth Proportional to 91,257.92, 125,936.52 and 50,971.98

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Solution

The fourth proportional to 91,257.92, 125,936.52 and 50,971.98 is: 70,341.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,257.92 : 125,936.52 = 50,971.98 : x
  2. Step 2: Convert to fraction form
    91,257.92/125,936.52 = 50,971.98/x
  3. Step 3: Cross multiply
    91,257.92x = 125,936.52 × 50,971.98
  4. Step 4: Simplify right side
    91,257.92x = 6,419,233,778.71
  5. Step 5: Solve for x
    x = 6,419,233,778.71/91,257.92
  6. Step 6: Final answer
    x = 70,341.66

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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.