Home / 91,256.68-125,921.82-50,965.39

Finding the Fourth Proportional to 91,256.68, 125,921.82 and 50,965.39

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Solution

The fourth proportional to 91,256.68, 125,921.82 and 50,965.39 is: 70,325.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,256.68 : 125,921.82 = 50,965.39 : x
  2. Step 2: Convert to fraction form
    91,256.68/125,921.82 = 50,965.39/x
  3. Step 3: Cross multiply
    91,256.68x = 125,921.82 × 50,965.39
  4. Step 4: Simplify right side
    91,256.68x = 6,417,654,665.81
  5. Step 5: Solve for x
    x = 6,417,654,665.81/91,256.68
  6. Step 6: Final answer
    x = 70,325.31

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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.