Home / 109,899.28-164,713.80-50,652.72

Finding the Fourth Proportional to 109,899.28, 164,713.80 and 50,652.72

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Solution

The fourth proportional to 109,899.28, 164,713.80 and 50,652.72 is: 75,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,899.28 : 164,713.80 = 50,652.72 : x
  2. Step 2: Convert to fraction form
    109,899.28/164,713.80 = 50,652.72/x
  3. Step 3: Cross multiply
    109,899.28x = 164,713.80 × 50,652.72
  4. Step 4: Simplify right side
    109,899.28x = 8,343,201,991.54
  5. Step 5: Solve for x
    x = 8,343,201,991.54/109,899.28
  6. Step 6: Final answer
    x = 75,916.80

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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.