Home / 91,982.88-126,945.84-51,700.32

Finding the Fourth Proportional to 91,982.88, 126,945.84 and 51,700.32

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Solution

The fourth proportional to 91,982.88, 126,945.84 and 51,700.32 is: 71,351.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,982.88 : 126,945.84 = 51,700.32 : x
  2. Step 2: Convert to fraction form
    91,982.88/126,945.84 = 51,700.32/x
  3. Step 3: Cross multiply
    91,982.88x = 126,945.84 × 51,700.32
  4. Step 4: Simplify right side
    91,982.88x = 6,563,140,550.67
  5. Step 5: Solve for x
    x = 6,563,140,550.67/91,982.88
  6. Step 6: Final answer
    x = 71,351.76

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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.