Home / 68,664.64-102,984.24-24,291.76

Finding the Fourth Proportional to 68,664.64, 102,984.24 and 24,291.76

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Solution

The fourth proportional to 68,664.64, 102,984.24 and 24,291.76 is: 36,433.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,664.64 : 102,984.24 = 24,291.76 : x
  2. Step 2: Convert to fraction form
    68,664.64/102,984.24 = 24,291.76/x
  3. Step 3: Cross multiply
    68,664.64x = 102,984.24 × 24,291.76
  4. Step 4: Simplify right side
    68,664.64x = 2,501,668,441.86
  5. Step 5: Solve for x
    x = 2,501,668,441.86/68,664.64
  6. Step 6: Final answer
    x = 36,433.14

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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.