Home / 45,822.84-68,734.26-12,541.56

Finding the Fourth Proportional to 45,822.84, 68,734.26 and 12,541.56

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Solution

The fourth proportional to 45,822.84, 68,734.26 and 12,541.56 is: 18,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,822.84 : 68,734.26 = 12,541.56 : x
  2. Step 2: Convert to fraction form
    45,822.84/68,734.26 = 12,541.56/x
  3. Step 3: Cross multiply
    45,822.84x = 68,734.26 × 12,541.56
  4. Step 4: Simplify right side
    45,822.84x = 862,034,845.85
  5. Step 5: Solve for x
    x = 862,034,845.85/45,822.84
  6. Step 6: Final answer
    x = 18,812.34

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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.