Home / 109,604.93-151,239.62-61,200.95

Finding the Fourth Proportional to 109,604.93, 151,239.62 and 61,200.95

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Solution

The fourth proportional to 109,604.93, 151,239.62 and 61,200.95 is: 84,448.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,604.93 : 151,239.62 = 61,200.95 : x
  2. Step 2: Convert to fraction form
    109,604.93/151,239.62 = 61,200.95/x
  3. Step 3: Cross multiply
    109,604.93x = 151,239.62 × 61,200.95
  4. Step 4: Simplify right side
    109,604.93x = 9,256,007,818.44
  5. Step 5: Solve for x
    x = 9,256,007,818.44/109,604.93
  6. Step 6: Final answer
    x = 84,448.83

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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.