Home / 90,698.25-125,171.31-50,410.98

Finding the Fourth Proportional to 90,698.25, 125,171.31 and 50,410.98

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Solution

The fourth proportional to 90,698.25, 125,171.31 and 50,410.98 is: 69,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,698.25 : 125,171.31 = 50,410.98 : x
  2. Step 2: Convert to fraction form
    90,698.25/125,171.31 = 50,410.98/x
  3. Step 3: Cross multiply
    90,698.25x = 125,171.31 × 50,410.98
  4. Step 4: Simplify right side
    90,698.25x = 6,310,008,404.98
  5. Step 5: Solve for x
    x = 6,310,008,404.98/90,698.25
  6. Step 6: Final answer
    x = 69,571.45

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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.