Home / 109,628.60-164,394.30-50,433.80

Finding the Fourth Proportional to 109,628.60, 164,394.30 and 50,433.80

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Solution

The fourth proportional to 109,628.60, 164,394.30 and 50,433.80 is: 75,628.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,628.60 : 164,394.30 = 50,433.80 : x
  2. Step 2: Convert to fraction form
    109,628.60/164,394.30 = 50,433.80/x
  3. Step 3: Cross multiply
    109,628.60x = 164,394.30 × 50,433.80
  4. Step 4: Simplify right side
    109,628.60x = 8,291,029,247.34
  5. Step 5: Solve for x
    x = 8,291,029,247.34/109,628.60
  6. Step 6: Final answer
    x = 75,628.34

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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.