Home / 109,120.65-163,633.26-55,052.06

Finding the Fourth Proportional to 109,120.65, 163,633.26 and 55,052.06

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Solution

The fourth proportional to 109,120.65, 163,633.26 and 55,052.06 is: 82,554.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,120.65 : 163,633.26 = 55,052.06 : x
  2. Step 2: Convert to fraction form
    109,120.65/163,633.26 = 55,052.06/x
  3. Step 3: Cross multiply
    109,120.65x = 163,633.26 × 55,052.06
  4. Step 4: Simplify right side
    109,120.65x = 9,008,348,590.97
  5. Step 5: Solve for x
    x = 9,008,348,590.97/109,120.65
  6. Step 6: Final answer
    x = 82,554.02

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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.