Home / 109,933.70-164,900.55-39,863.30

Finding the Fourth Proportional to 109,933.70, 164,900.55 and 39,863.30

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Solution

The fourth proportional to 109,933.70, 164,900.55 and 39,863.30 is: 59,794.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,933.70 : 164,900.55 = 39,863.30 : x
  2. Step 2: Convert to fraction form
    109,933.70/164,900.55 = 39,863.30/x
  3. Step 3: Cross multiply
    109,933.70x = 164,900.55 × 39,863.30
  4. Step 4: Simplify right side
    109,933.70x = 6,573,480,094.82
  5. Step 5: Solve for x
    x = 6,573,480,094.82/109,933.70
  6. Step 6: Final answer
    x = 59,794.95

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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.