Home / 109,706.12-164,559.18-30,821.03

Finding the Fourth Proportional to 109,706.12, 164,559.18 and 30,821.03

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Solution

The fourth proportional to 109,706.12, 164,559.18 and 30,821.03 is: 46,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,706.12 : 164,559.18 = 30,821.03 : x
  2. Step 2: Convert to fraction form
    109,706.12/164,559.18 = 30,821.03/x
  3. Step 3: Cross multiply
    109,706.12x = 164,559.18 × 30,821.03
  4. Step 4: Simplify right side
    109,706.12x = 5,071,883,423.56
  5. Step 5: Solve for x
    x = 5,071,883,423.56/109,706.12
  6. Step 6: Final answer
    x = 46,231.55

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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.