Home / 91,048.20-125,634-50,757.16

Finding the Fourth Proportional to 91,048.20, 125,634 and 50,757.16

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Solution

The fourth proportional to 91,048.20, 125,634 and 50,757.16 is: 70,037.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,048.20 : 125,634 = 50,757.16 : x
  2. Step 2: Convert to fraction form
    91,048.20/125,634 = 50,757.16/x
  3. Step 3: Cross multiply
    91,048.20x = 125,634 × 50,757.16
  4. Step 4: Simplify right side
    91,048.20x = 6,376,825,039.44
  5. Step 5: Solve for x
    x = 6,376,825,039.44/91,048.20
  6. Step 6: Final answer
    x = 70,037.90

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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.