Home / 45,876.17-68,811.19-12,593.48

Finding the Fourth Proportional to 45,876.17, 68,811.19 and 12,593.48

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Solution

The fourth proportional to 45,876.17, 68,811.19 and 12,593.48 is: 18,889.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,876.17 : 68,811.19 = 12,593.48 : x
  2. Step 2: Convert to fraction form
    45,876.17/68,811.19 = 12,593.48/x
  3. Step 3: Cross multiply
    45,876.17x = 68,811.19 × 12,593.48
  4. Step 4: Simplify right side
    45,876.17x = 866,571,969.50
  5. Step 5: Solve for x
    x = 866,571,969.50/45,876.17
  6. Step 6: Final answer
    x = 18,889.37

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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.