Home / 109,487.45-164,180.13-56,882.81

Finding the Fourth Proportional to 109,487.45, 164,180.13 and 56,882.81

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Solution

The fourth proportional to 109,487.45, 164,180.13 and 56,882.81 is: 85,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,487.45 : 164,180.13 = 56,882.81 : x
  2. Step 2: Convert to fraction form
    109,487.45/164,180.13 = 56,882.81/x
  3. Step 3: Cross multiply
    109,487.45x = 164,180.13 × 56,882.81
  4. Step 4: Simplify right side
    109,487.45x = 9,339,027,140.57
  5. Step 5: Solve for x
    x = 9,339,027,140.57/109,487.45
  6. Step 6: Final answer
    x = 85,297.70

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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.