Home / 104,743.49-157,139.84-34,622.80

Finding the Fourth Proportional to 104,743.49, 157,139.84 and 34,622.80

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Solution

The fourth proportional to 104,743.49, 157,139.84 and 34,622.80 is: 51,942.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,743.49 : 157,139.84 = 34,622.80 : x
  2. Step 2: Convert to fraction form
    104,743.49/157,139.84 = 34,622.80/x
  3. Step 3: Cross multiply
    104,743.49x = 157,139.84 × 34,622.80
  4. Step 4: Simplify right side
    104,743.49x = 5,440,621,252.35
  5. Step 5: Solve for x
    x = 5,440,621,252.35/104,743.49
  6. Step 6: Final answer
    x = 51,942.33

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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.