Home / 109,601.64-164,409.89-38,515.64

Finding the Fourth Proportional to 109,601.64, 164,409.89 and 38,515.64

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Solution

The fourth proportional to 109,601.64, 164,409.89 and 38,515.64 is: 57,776.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,601.64 : 164,409.89 = 38,515.64 : x
  2. Step 2: Convert to fraction form
    109,601.64/164,409.89 = 38,515.64/x
  3. Step 3: Cross multiply
    109,601.64x = 164,409.89 × 38,515.64
  4. Step 4: Simplify right side
    109,601.64x = 6,332,351,121.05
  5. Step 5: Solve for x
    x = 6,332,351,121.05/109,601.64
  6. Step 6: Final answer
    x = 57,776.06

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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.