Home / 109,742.40-164,637.90-50,563.80

Finding the Fourth Proportional to 109,742.40, 164,637.90 and 50,563.80

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Solution

The fourth proportional to 109,742.40, 164,637.90 and 50,563.80 is: 75,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,742.40 : 164,637.90 = 50,563.80 : x
  2. Step 2: Convert to fraction form
    109,742.40/164,637.90 = 50,563.80/x
  3. Step 3: Cross multiply
    109,742.40x = 164,637.90 × 50,563.80
  4. Step 4: Simplify right side
    109,742.40x = 8,324,717,848.02
  5. Step 5: Solve for x
    x = 8,324,717,848.02/109,742.40
  6. Step 6: Final answer
    x = 75,856.90

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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.