Home / 68,390.36-102,552.60-32,336.78

Finding the Fourth Proportional to 68,390.36, 102,552.60 and 32,336.78

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Solution

The fourth proportional to 68,390.36, 102,552.60 and 32,336.78 is: 48,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,390.36 : 102,552.60 = 32,336.78 : x
  2. Step 2: Convert to fraction form
    68,390.36/102,552.60 = 32,336.78/x
  3. Step 3: Cross multiply
    68,390.36x = 102,552.60 × 32,336.78
  4. Step 4: Simplify right side
    68,390.36x = 3,316,220,864.63
  5. Step 5: Solve for x
    x = 3,316,220,864.63/68,390.36
  6. Step 6: Final answer
    x = 48,489.60

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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.