Home / 72,701.35-109,052.04-22,781.44

Finding the Fourth Proportional to 72,701.35, 109,052.04 and 22,781.44

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Solution

The fourth proportional to 72,701.35, 109,052.04 and 22,781.44 is: 34,172.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,701.35 : 109,052.04 = 22,781.44 : x
  2. Step 2: Convert to fraction form
    72,701.35/109,052.04 = 22,781.44/x
  3. Step 3: Cross multiply
    72,701.35x = 109,052.04 × 22,781.44
  4. Step 4: Simplify right side
    72,701.35x = 2,484,361,986.32
  5. Step 5: Solve for x
    x = 2,484,361,986.32/72,701.35
  6. Step 6: Final answer
    x = 34,172.16

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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.