Home / 84,065.04-126,127.68-36,013.49

Finding the Fourth Proportional to 84,065.04, 126,127.68 and 36,013.49

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Solution

The fourth proportional to 84,065.04, 126,127.68 and 36,013.49 is: 54,033.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,065.04 : 126,127.68 = 36,013.49 : x
  2. Step 2: Convert to fraction form
    84,065.04/126,127.68 = 36,013.49/x
  3. Step 3: Cross multiply
    84,065.04x = 126,127.68 × 36,013.49
  4. Step 4: Simplify right side
    84,065.04x = 4,542,297,942.40
  5. Step 5: Solve for x
    x = 4,542,297,942.40/84,065.04
  6. Step 6: Final answer
    x = 54,033.14

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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.