Home / 72,701.55-109,052.49-22,101.04

Finding the Fourth Proportional to 72,701.55, 109,052.49 and 22,101.04

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Solution

The fourth proportional to 72,701.55, 109,052.49 and 22,101.04 is: 33,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,701.55 : 109,052.49 = 22,101.04 : x
  2. Step 2: Convert to fraction form
    72,701.55/109,052.49 = 22,101.04/x
  3. Step 3: Cross multiply
    72,701.55x = 109,052.49 × 22,101.04
  4. Step 4: Simplify right side
    72,701.55x = 2,410,172,898.33
  5. Step 5: Solve for x
    x = 2,410,172,898.33/72,701.55
  6. Step 6: Final answer
    x = 33,151.60

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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.