Home / 91,265.58-125,945.16-50,979.90

Finding the Fourth Proportional to 91,265.58, 125,945.16 and 50,979.90

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Solution

The fourth proportional to 91,265.58, 125,945.16 and 50,979.90 is: 70,351.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,265.58 : 125,945.16 = 50,979.90 : x
  2. Step 2: Convert to fraction form
    91,265.58/125,945.16 = 50,979.90/x
  3. Step 3: Cross multiply
    91,265.58x = 125,945.16 × 50,979.90
  4. Step 4: Simplify right side
    91,265.58x = 6,420,671,662.28
  5. Step 5: Solve for x
    x = 6,420,671,662.28/91,265.58
  6. Step 6: Final answer
    x = 70,351.51

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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.