Home / 90,202.36-124,485.48-49,917.82

Finding the Fourth Proportional to 90,202.36, 124,485.48 and 49,917.82

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Solution

The fourth proportional to 90,202.36, 124,485.48 and 49,917.82 is: 68,890.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,202.36 : 124,485.48 = 49,917.82 : x
  2. Step 2: Convert to fraction form
    90,202.36/124,485.48 = 49,917.82/x
  3. Step 3: Cross multiply
    90,202.36x = 124,485.48 × 49,917.82
  4. Step 4: Simplify right side
    90,202.36x = 6,214,043,783.25
  5. Step 5: Solve for x
    x = 6,214,043,783.25/90,202.36
  6. Step 6: Final answer
    x = 68,890.04

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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.