Home / 115,827.73-159,856.41-68,085.52

Finding the Fourth Proportional to 115,827.73, 159,856.41 and 68,085.52

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Solution

The fourth proportional to 115,827.73, 159,856.41 and 68,085.52 is: 93,966.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,827.73 : 159,856.41 = 68,085.52 : x
  2. Step 2: Convert to fraction form
    115,827.73/159,856.41 = 68,085.52/x
  3. Step 3: Cross multiply
    115,827.73x = 159,856.41 × 68,085.52
  4. Step 4: Simplify right side
    115,827.73x = 10,883,906,800.18
  5. Step 5: Solve for x
    x = 10,883,906,800.18/115,827.73
  6. Step 6: Final answer
    x = 93,966.33

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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.