Home / 83,878.74-125,942.04-55,972.62

Finding the Fourth Proportional to 83,878.74, 125,942.04 and 55,972.62

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Solution

The fourth proportional to 83,878.74, 125,942.04 and 55,972.62 is: 84,041.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,878.74 : 125,942.04 = 55,972.62 : x
  2. Step 2: Convert to fraction form
    83,878.74/125,942.04 = 55,972.62/x
  3. Step 3: Cross multiply
    83,878.74x = 125,942.04 × 55,972.62
  4. Step 4: Simplify right side
    83,878.74x = 7,049,305,946.94
  5. Step 5: Solve for x
    x = 7,049,305,946.94/83,878.74
  6. Step 6: Final answer
    x = 84,041.63

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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.