Home / 89,941.09-124,134.96-53,644.87

Finding the Fourth Proportional to 89,941.09, 124,134.96 and 53,644.87

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Solution

The fourth proportional to 89,941.09, 124,134.96 and 53,644.87 is: 74,039.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,941.09 : 124,134.96 = 53,644.87 : x
  2. Step 2: Convert to fraction form
    89,941.09/124,134.96 = 53,644.87/x
  3. Step 3: Cross multiply
    89,941.09x = 124,134.96 × 53,644.87
  4. Step 4: Simplify right side
    89,941.09x = 6,659,203,791.66
  5. Step 5: Solve for x
    x = 6,659,203,791.66/89,941.09
  6. Step 6: Final answer
    x = 74,039.62

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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.