Home / 109,591.93-151,235.37-61,194.61

Finding the Fourth Proportional to 109,591.93, 151,235.37 and 61,194.61

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Solution

The fourth proportional to 109,591.93, 151,235.37 and 61,194.61 is: 84,447.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,591.93 : 151,235.37 = 61,194.61 : x
  2. Step 2: Convert to fraction form
    109,591.93/151,235.37 = 61,194.61/x
  3. Step 3: Cross multiply
    109,591.93x = 151,235.37 × 61,194.61
  4. Step 4: Simplify right side
    109,591.93x = 9,254,789,485.36
  5. Step 5: Solve for x
    x = 9,254,789,485.36/109,591.93
  6. Step 6: Final answer
    x = 84,447.73

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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.