Home / 91,928.12-126,873.57-51,644.94

Finding the Fourth Proportional to 91,928.12, 126,873.57 and 51,644.94

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Solution

The fourth proportional to 91,928.12, 126,873.57 and 51,644.94 is: 71,277.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,928.12 : 126,873.57 = 51,644.94 : x
  2. Step 2: Convert to fraction form
    91,928.12/126,873.57 = 51,644.94/x
  3. Step 3: Cross multiply
    91,928.12x = 126,873.57 × 51,644.94
  4. Step 4: Simplify right side
    91,928.12x = 6,552,377,906.04
  5. Step 5: Solve for x
    x = 6,552,377,906.04/91,928.12
  6. Step 6: Final answer
    x = 71,277.19

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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.