Home / 90,984.57-125,562.57-50,698.37

Finding the Fourth Proportional to 90,984.57, 125,562.57 and 50,698.37

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Solution

The fourth proportional to 90,984.57, 125,562.57 and 50,698.37 is: 69,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,984.57 : 125,562.57 = 50,698.37 : x
  2. Step 2: Convert to fraction form
    90,984.57/125,562.57 = 50,698.37/x
  3. Step 3: Cross multiply
    90,984.57x = 125,562.57 × 50,698.37
  4. Step 4: Simplify right side
    90,984.57x = 6,365,817,004.20
  5. Step 5: Solve for x
    x = 6,365,817,004.20/90,984.57
  6. Step 6: Final answer
    x = 69,965.90

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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.