Home / 45,204.86-67,816.38-15,623.84

Finding the Fourth Proportional to 45,204.86, 67,816.38 and 15,623.84

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Solution

The fourth proportional to 45,204.86, 67,816.38 and 15,623.84 is: 23,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,204.86 : 67,816.38 = 15,623.84 : x
  2. Step 2: Convert to fraction form
    45,204.86/67,816.38 = 15,623.84/x
  3. Step 3: Cross multiply
    45,204.86x = 67,816.38 × 15,623.84
  4. Step 4: Simplify right side
    45,204.86x = 1,059,552,270.50
  5. Step 5: Solve for x
    x = 1,059,552,270.50/45,204.86
  6. Step 6: Final answer
    x = 23,438.90

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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.