Home / 109,630.99-164,348.04-43,118.85

Finding the Fourth Proportional to 109,630.99, 164,348.04 and 43,118.85

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Solution

The fourth proportional to 109,630.99, 164,348.04 and 43,118.85 is: 64,639.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,630.99 : 164,348.04 = 43,118.85 : x
  2. Step 2: Convert to fraction form
    109,630.99/164,348.04 = 43,118.85/x
  3. Step 3: Cross multiply
    109,630.99x = 164,348.04 × 43,118.85
  4. Step 4: Simplify right side
    109,630.99x = 7,086,498,484.55
  5. Step 5: Solve for x
    x = 7,086,498,484.55/109,630.99
  6. Step 6: Final answer
    x = 64,639.56

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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.