Home / 112,965.56-155,896.62-68,244.92

Finding the Fourth Proportional to 112,965.56, 155,896.62 and 68,244.92

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Solution

The fourth proportional to 112,965.56, 155,896.62 and 68,244.92 is: 94,180.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,965.56 : 155,896.62 = 68,244.92 : x
  2. Step 2: Convert to fraction form
    112,965.56/155,896.62 = 68,244.92/x
  3. Step 3: Cross multiply
    112,965.56x = 155,896.62 × 68,244.92
  4. Step 4: Simplify right side
    112,965.56x = 10,639,152,360.17
  5. Step 5: Solve for x
    x = 10,639,152,360.17/112,965.56
  6. Step 6: Final answer
    x = 94,180.50

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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.