Home / 100,723.02-151,059.41-29,631.51

Finding the Fourth Proportional to 100,723.02, 151,059.41 and 29,631.51

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Solution

The fourth proportional to 100,723.02, 151,059.41 and 29,631.51 is: 44,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,723.02 : 151,059.41 = 29,631.51 : x
  2. Step 2: Convert to fraction form
    100,723.02/151,059.41 = 29,631.51/x
  3. Step 3: Cross multiply
    100,723.02x = 151,059.41 × 29,631.51
  4. Step 4: Simplify right side
    100,723.02x = 4,476,118,418.01
  5. Step 5: Solve for x
    x = 4,476,118,418.01/100,723.02
  6. Step 6: Final answer
    x = 44,439.87

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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.