Home / 91,756.36-126,623.70-51,470.44

Finding the Fourth Proportional to 91,756.36, 126,623.70 and 51,470.44

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Solution

The fourth proportional to 91,756.36, 126,623.70 and 51,470.44 is: 71,029.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,756.36 : 126,623.70 = 51,470.44 : x
  2. Step 2: Convert to fraction form
    91,756.36/126,623.70 = 51,470.44/x
  3. Step 3: Cross multiply
    91,756.36x = 126,623.70 × 51,470.44
  4. Step 4: Simplify right side
    91,756.36x = 6,517,377,553.43
  5. Step 5: Solve for x
    x = 6,517,377,553.43/91,756.36
  6. Step 6: Final answer
    x = 71,029.16

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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.