Home / 109,685.38-164,614.62-56,375.23

Finding the Fourth Proportional to 109,685.38, 164,614.62 and 56,375.23

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Solution

The fourth proportional to 109,685.38, 164,614.62 and 56,375.23 is: 84,607.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,685.38 : 164,614.62 = 56,375.23 : x
  2. Step 2: Convert to fraction form
    109,685.38/164,614.62 = 56,375.23/x
  3. Step 3: Cross multiply
    109,685.38x = 164,614.62 × 56,375.23
  4. Step 4: Simplify right side
    109,685.38x = 9,280,187,063.86
  5. Step 5: Solve for x
    x = 9,280,187,063.86/109,685.38
  6. Step 6: Final answer
    x = 84,607.33

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1.5x scale

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.