Home / 93,826.11-140,640.75-68,828.70

Finding the Fourth Proportional to 93,826.11, 140,640.75 and 68,828.70

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Solution

The fourth proportional to 93,826.11, 140,640.75 and 68,828.70 is: 103,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,826.11 : 140,640.75 = 68,828.70 : x
  2. Step 2: Convert to fraction form
    93,826.11/140,640.75 = 68,828.70/x
  3. Step 3: Cross multiply
    93,826.11x = 140,640.75 × 68,828.70
  4. Step 4: Simplify right side
    93,826.11x = 9,680,119,989.53
  5. Step 5: Solve for x
    x = 9,680,119,989.53/93,826.11
  6. Step 6: Final answer
    x = 103,170.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.