Home / 91,213.30-125,864.78-52,965.37

Finding the Fourth Proportional to 91,213.30, 125,864.78 and 52,965.37

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Solution

The fourth proportional to 91,213.30, 125,864.78 and 52,965.37 is: 73,086.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,213.30 : 125,864.78 = 52,965.37 : x
  2. Step 2: Convert to fraction form
    91,213.30/125,864.78 = 52,965.37/x
  3. Step 3: Cross multiply
    91,213.30x = 125,864.78 × 52,965.37
  4. Step 4: Simplify right side
    91,213.30x = 6,666,474,063.18
  5. Step 5: Solve for x
    x = 6,666,474,063.18/91,213.30
  6. Step 6: Final answer
    x = 73,086.65

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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.