Home / 68,013.08-102,019.52-23,639.84

Finding the Fourth Proportional to 68,013.08, 102,019.52 and 23,639.84

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Solution

The fourth proportional to 68,013.08, 102,019.52 and 23,639.84 is: 35,459.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,013.08 : 102,019.52 = 23,639.84 : x
  2. Step 2: Convert to fraction form
    68,013.08/102,019.52 = 23,639.84/x
  3. Step 3: Cross multiply
    68,013.08x = 102,019.52 × 23,639.84
  4. Step 4: Simplify right side
    68,013.08x = 2,411,725,129.68
  5. Step 5: Solve for x
    x = 2,411,725,129.68/68,013.08
  6. Step 6: Final answer
    x = 35,459.73

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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.