Home / 91,795.08-126,678.42-51,517.56

Finding the Fourth Proportional to 91,795.08, 126,678.42 and 51,517.56

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Solution

The fourth proportional to 91,795.08, 126,678.42 and 51,517.56 is: 71,094.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,795.08 : 126,678.42 = 51,517.56 : x
  2. Step 2: Convert to fraction form
    91,795.08/126,678.42 = 51,517.56/x
  3. Step 3: Cross multiply
    91,795.08x = 126,678.42 × 51,517.56
  4. Step 4: Simplify right side
    91,795.08x = 6,526,163,103.06
  5. Step 5: Solve for x
    x = 6,526,163,103.06/91,795.08
  6. Step 6: Final answer
    x = 71,094.91

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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.