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Finding the Fourth Proportional to 68,353.76, 102,676.36 and 64,358.80

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Solution

The fourth proportional to 68,353.76, 102,676.36 and 64,358.80 is: 96,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,353.76 : 102,676.36 = 64,358.80 : x
  2. Step 2: Convert to fraction form
    68,353.76/102,676.36 = 64,358.80/x
  3. Step 3: Cross multiply
    68,353.76x = 102,676.36 × 64,358.80
  4. Step 4: Simplify right side
    68,353.76x = 6,608,127,317.97
  5. Step 5: Solve for x
    x = 6,608,127,317.97/68,353.76
  6. Step 6: Final answer
    x = 96,675.40

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1.5x scale

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.