Home / 100,822.42-151,233.63-30,701.74

Finding the Fourth Proportional to 100,822.42, 151,233.63 and 30,701.74

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Solution

The fourth proportional to 100,822.42, 151,233.63 and 30,701.74 is: 46,052.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,822.42 : 151,233.63 = 30,701.74 : x
  2. Step 2: Convert to fraction form
    100,822.42/151,233.63 = 30,701.74/x
  3. Step 3: Cross multiply
    100,822.42x = 151,233.63 × 30,701.74
  4. Step 4: Simplify right side
    100,822.42x = 4,643,135,587.52
  5. Step 5: Solve for x
    x = 4,643,135,587.52/100,822.42
  6. Step 6: Final answer
    x = 46,052.61

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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.