Home / 90,403.08-124,752.62-49,566.34

Finding the Fourth Proportional to 90,403.08, 124,752.62 and 49,566.34

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Solution

The fourth proportional to 90,403.08, 124,752.62 and 49,566.34 is: 68,399.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,403.08 : 124,752.62 = 49,566.34 : x
  2. Step 2: Convert to fraction form
    90,403.08/124,752.62 = 49,566.34/x
  3. Step 3: Cross multiply
    90,403.08x = 124,752.62 × 49,566.34
  4. Step 4: Simplify right side
    90,403.08x = 6,183,530,778.81
  5. Step 5: Solve for x
    x = 6,183,530,778.81/90,403.08
  6. Step 6: Final answer
    x = 68,399.56

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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.