Home / 68,376.20-102,564.30-58,353.80

Finding the Fourth Proportional to 68,376.20, 102,564.30 and 58,353.80

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Solution

The fourth proportional to 68,376.20, 102,564.30 and 58,353.80 is: 87,530.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,376.20 : 102,564.30 = 58,353.80 : x
  2. Step 2: Convert to fraction form
    68,376.20/102,564.30 = 58,353.80/x
  3. Step 3: Cross multiply
    68,376.20x = 102,564.30 × 58,353.80
  4. Step 4: Simplify right side
    68,376.20x = 5,985,016,649.34
  5. Step 5: Solve for x
    x = 5,985,016,649.34/68,376.20
  6. Step 6: Final answer
    x = 87,530.70

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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.