Home / 109,495.25-151,103.81-59,194.61

Finding the Fourth Proportional to 109,495.25, 151,103.81 and 59,194.61

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Solution

The fourth proportional to 109,495.25, 151,103.81 and 59,194.61 is: 81,688.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,495.25 : 151,103.81 = 59,194.61 : x
  2. Step 2: Convert to fraction form
    109,495.25/151,103.81 = 59,194.61/x
  3. Step 3: Cross multiply
    109,495.25x = 151,103.81 × 59,194.61
  4. Step 4: Simplify right side
    109,495.25x = 8,944,530,806.49
  5. Step 5: Solve for x
    x = 8,944,530,806.49/109,495.25
  6. Step 6: Final answer
    x = 81,688.76

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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.