Home / 91,722.52-126,578.43-53,481.04

Finding the Fourth Proportional to 91,722.52, 126,578.43 and 53,481.04

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Solution

The fourth proportional to 91,722.52, 126,578.43 and 53,481.04 is: 73,804.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,722.52 : 126,578.43 = 53,481.04 : x
  2. Step 2: Convert to fraction form
    91,722.52/126,578.43 = 53,481.04/x
  3. Step 3: Cross multiply
    91,722.52x = 126,578.43 × 53,481.04
  4. Step 4: Simplify right side
    91,722.52x = 6,769,546,077.97
  5. Step 5: Solve for x
    x = 6,769,546,077.97/91,722.52
  6. Step 6: Final answer
    x = 73,804.62

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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.