Home / 68,660.10-103,076.55-37,095.30

Finding the Fourth Proportional to 68,660.10, 103,076.55 and 37,095.30

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Solution

The fourth proportional to 68,660.10, 103,076.55 and 37,095.30 is: 55,689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,660.10 : 103,076.55 = 37,095.30 : x
  2. Step 2: Convert to fraction form
    68,660.10/103,076.55 = 37,095.30/x
  3. Step 3: Cross multiply
    68,660.10x = 103,076.55 × 37,095.30
  4. Step 4: Simplify right side
    68,660.10x = 3,823,655,545.22
  5. Step 5: Solve for x
    x = 3,823,655,545.22/68,660.10
  6. Step 6: Final answer
    x = 55,689.63

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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.