Home / 91,036.82-125,634.66-50,750.54

Finding the Fourth Proportional to 91,036.82, 125,634.66 and 50,750.54

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Solution

The fourth proportional to 91,036.82, 125,634.66 and 50,750.54 is: 70,037.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,036.82 : 125,634.66 = 50,750.54 : x
  2. Step 2: Convert to fraction form
    91,036.82/125,634.66 = 50,750.54/x
  3. Step 3: Cross multiply
    91,036.82x = 125,634.66 × 50,750.54
  4. Step 4: Simplify right side
    91,036.82x = 6,376,026,837.72
  5. Step 5: Solve for x
    x = 6,376,026,837.72/91,036.82
  6. Step 6: Final answer
    x = 70,037.89

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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.