Home / 91,137.09-125,769.33-50,300.27

Finding the Fourth Proportional to 91,137.09, 125,769.33 and 50,300.27

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Solution

The fourth proportional to 91,137.09, 125,769.33 and 50,300.27 is: 69,414.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,137.09 : 125,769.33 = 50,300.27 : x
  2. Step 2: Convert to fraction form
    91,137.09/125,769.33 = 50,300.27/x
  3. Step 3: Cross multiply
    91,137.09x = 125,769.33 × 50,300.27
  4. Step 4: Simplify right side
    91,137.09x = 6,326,231,256.72
  5. Step 5: Solve for x
    x = 6,326,231,256.72/91,137.09
  6. Step 6: Final answer
    x = 69,414.45

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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.