Home / 91,844.24-126,729.96-54,113.36

Finding the Fourth Proportional to 91,844.24, 126,729.96 and 54,113.36

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Solution

The fourth proportional to 91,844.24, 126,729.96 and 54,113.36 is: 74,667.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,844.24 : 126,729.96 = 54,113.36 : x
  2. Step 2: Convert to fraction form
    91,844.24/126,729.96 = 54,113.36/x
  3. Step 3: Cross multiply
    91,844.24x = 126,729.96 × 54,113.36
  4. Step 4: Simplify right side
    91,844.24x = 6,857,783,948.27
  5. Step 5: Solve for x
    x = 6,857,783,948.27/91,844.24
  6. Step 6: Final answer
    x = 74,667.55

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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.