Home / 100,727.42-151,108.34-41,530.73

Finding the Fourth Proportional to 100,727.42, 151,108.34 and 41,530.73

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Solution

The fourth proportional to 100,727.42, 151,108.34 and 41,530.73 is: 62,303.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,727.42 : 151,108.34 = 41,530.73 : x
  2. Step 2: Convert to fraction form
    100,727.42/151,108.34 = 41,530.73/x
  3. Step 3: Cross multiply
    100,727.42x = 151,108.34 × 41,530.73
  4. Step 4: Simplify right side
    100,727.42x = 6,275,638,706.09
  5. Step 5: Solve for x
    x = 6,275,638,706.09/100,727.42
  6. Step 6: Final answer
    x = 62,303.18

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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.