Home / 91,591.36-126,372.48-53,858.56

Finding the Fourth Proportional to 91,591.36, 126,372.48 and 53,858.56

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Solution

The fourth proportional to 91,591.36, 126,372.48 and 53,858.56 is: 74,310.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,591.36 : 126,372.48 = 53,858.56 : x
  2. Step 2: Convert to fraction form
    91,591.36/126,372.48 = 53,858.56/x
  3. Step 3: Cross multiply
    91,591.36x = 126,372.48 × 53,858.56
  4. Step 4: Simplify right side
    91,591.36x = 6,806,239,796.43
  5. Step 5: Solve for x
    x = 6,806,239,796.43/91,591.36
  6. Step 6: Final answer
    x = 74,310.94

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1.5x scale

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.