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Finding the Fourth Proportional to 90,024.52, 124,232.32 and 49,739.96

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Solution

The fourth proportional to 90,024.52, 124,232.32 and 49,739.96 is: 68,640.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,024.52 : 124,232.32 = 49,739.96 : x
  2. Step 2: Convert to fraction form
    90,024.52/124,232.32 = 49,739.96/x
  3. Step 3: Cross multiply
    90,024.52x = 124,232.32 × 49,739.96
  4. Step 4: Simplify right side
    90,024.52x = 6,179,310,627.51
  5. Step 5: Solve for x
    x = 6,179,310,627.51/90,024.52
  6. Step 6: Final answer
    x = 68,640.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.