Home / 109,806.24-151,364.88-67,285.92

Finding the Fourth Proportional to 109,806.24, 151,364.88 and 67,285.92

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Solution

The fourth proportional to 109,806.24, 151,364.88 and 67,285.92 is: 92,751.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,806.24 : 151,364.88 = 67,285.92 : x
  2. Step 2: Convert to fraction form
    109,806.24/151,364.88 = 67,285.92/x
  3. Step 3: Cross multiply
    109,806.24x = 151,364.88 × 67,285.92
  4. Step 4: Simplify right side
    109,806.24x = 10,184,725,206.49
  5. Step 5: Solve for x
    x = 10,184,725,206.49/109,806.24
  6. Step 6: Final answer
    x = 92,751.79

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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.