Home / 91,802.90-126,694.06-51,519.44

Finding the Fourth Proportional to 91,802.90, 126,694.06 and 51,519.44

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Solution

The fourth proportional to 91,802.90, 126,694.06 and 51,519.44 is: 71,100.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,802.90 : 126,694.06 = 51,519.44 : x
  2. Step 2: Convert to fraction form
    91,802.90/126,694.06 = 51,519.44/x
  3. Step 3: Cross multiply
    91,802.90x = 126,694.06 × 51,519.44
  4. Step 4: Simplify right side
    91,802.90x = 6,527,207,022.53
  5. Step 5: Solve for x
    x = 6,527,207,022.53/91,802.90
  6. Step 6: Final answer
    x = 71,100.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.