Home / 68,520.08-102,717.78-26,373.28

Finding the Fourth Proportional to 68,520.08, 102,717.78 and 26,373.28

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Solution

The fourth proportional to 68,520.08, 102,717.78 and 26,373.28 is: 39,535.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,520.08 : 102,717.78 = 26,373.28 : x
  2. Step 2: Convert to fraction form
    68,520.08/102,717.78 = 26,373.28/x
  3. Step 3: Cross multiply
    68,520.08x = 102,717.78 × 26,373.28
  4. Step 4: Simplify right side
    68,520.08x = 2,709,004,772.92
  5. Step 5: Solve for x
    x = 2,709,004,772.92/68,520.08
  6. Step 6: Final answer
    x = 39,535.93

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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.