Home / 90,759.37-125,245.77-49,365.32

Finding the Fourth Proportional to 90,759.37, 125,245.77 and 49,365.32

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Solution

The fourth proportional to 90,759.37, 125,245.77 and 49,365.32 is: 68,122.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,759.37 : 125,245.77 = 49,365.32 : x
  2. Step 2: Convert to fraction form
    90,759.37/125,245.77 = 49,365.32/x
  3. Step 3: Cross multiply
    90,759.37x = 125,245.77 × 49,365.32
  4. Step 4: Simplify right side
    90,759.37x = 6,182,796,641.64
  5. Step 5: Solve for x
    x = 6,182,796,641.64/90,759.37
  6. Step 6: Final answer
    x = 68,122.96

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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.