Home / 91,517.59-126,296.91-51,231.11

Finding the Fourth Proportional to 91,517.59, 126,296.91 and 51,231.11

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Solution

The fourth proportional to 91,517.59, 126,296.91 and 51,231.11 is: 70,700.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,517.59 : 126,296.91 = 51,231.11 : x
  2. Step 2: Convert to fraction form
    91,517.59/126,296.91 = 51,231.11/x
  3. Step 3: Cross multiply
    91,517.59x = 126,296.91 × 51,231.11
  4. Step 4: Simplify right side
    91,517.59x = 6,470,330,888.87
  5. Step 5: Solve for x
    x = 6,470,330,888.87/91,517.59
  6. Step 6: Final answer
    x = 70,700.41

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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.