Home / 109,584.48-151,224.12-61,836.60

Finding the Fourth Proportional to 109,584.48, 151,224.12 and 61,836.60

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Solution

The fourth proportional to 109,584.48, 151,224.12 and 61,836.60 is: 85,333.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,584.48 : 151,224.12 = 61,836.60 : x
  2. Step 2: Convert to fraction form
    109,584.48/151,224.12 = 61,836.60/x
  3. Step 3: Cross multiply
    109,584.48x = 151,224.12 × 61,836.60
  4. Step 4: Simplify right side
    109,584.48x = 9,351,185,418.79
  5. Step 5: Solve for x
    x = 9,351,185,418.79/109,584.48
  6. Step 6: Final answer
    x = 85,333.12

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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.