Home / 100,871.08-151,326.55-29,794.95

Finding the Fourth Proportional to 100,871.08, 151,326.55 and 29,794.95

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Solution

The fourth proportional to 100,871.08, 151,326.55 and 29,794.95 is: 44,698.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,871.08 : 151,326.55 = 29,794.95 : x
  2. Step 2: Convert to fraction form
    100,871.08/151,326.55 = 29,794.95/x
  3. Step 3: Cross multiply
    100,871.08x = 151,326.55 × 29,794.95
  4. Step 4: Simplify right side
    100,871.08x = 4,508,766,990.92
  5. Step 5: Solve for x
    x = 4,508,766,990.92/100,871.08
  6. Step 6: Final answer
    x = 44,698.31

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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.