Home / 109,644.28-151,310.35-64,323.03

Finding the Fourth Proportional to 109,644.28, 151,310.35 and 64,323.03

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Solution

The fourth proportional to 109,644.28, 151,310.35 and 64,323.03 is: 88,766.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,644.28 : 151,310.35 = 64,323.03 : x
  2. Step 2: Convert to fraction form
    109,644.28/151,310.35 = 64,323.03/x
  3. Step 3: Cross multiply
    109,644.28x = 151,310.35 × 64,323.03
  4. Step 4: Simplify right side
    109,644.28x = 9,732,740,239.02
  5. Step 5: Solve for x
    x = 9,732,740,239.02/109,644.28
  6. Step 6: Final answer
    x = 88,766.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.