Home / 90,600.09-125,027.64-49,765.02

Finding the Fourth Proportional to 90,600.09, 125,027.64 and 49,765.02

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Solution

The fourth proportional to 90,600.09, 125,027.64 and 49,765.02 is: 68,675.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,600.09 : 125,027.64 = 49,765.02 : x
  2. Step 2: Convert to fraction form
    90,600.09/125,027.64 = 49,765.02/x
  3. Step 3: Cross multiply
    90,600.09x = 125,027.64 × 49,765.02
  4. Step 4: Simplify right side
    90,600.09x = 6,222,003,005.15
  5. Step 5: Solve for x
    x = 6,222,003,005.15/90,600.09
  6. Step 6: Final answer
    x = 68,675.46

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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.