Home / 74,405.85-102,623.81-51,733.49

Finding the Fourth Proportional to 74,405.85, 102,623.81 and 51,733.49

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Solution

The fourth proportional to 74,405.85, 102,623.81 and 51,733.49 is: 71,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,405.85 : 102,623.81 = 51,733.49 : x
  2. Step 2: Convert to fraction form
    74,405.85/102,623.81 = 51,733.49/x
  3. Step 3: Cross multiply
    74,405.85x = 102,623.81 × 51,733.49
  4. Step 4: Simplify right side
    74,405.85x = 5,309,087,076.61
  5. Step 5: Solve for x
    x = 5,309,087,076.61/74,405.85
  6. Step 6: Final answer
    x = 71,353.09

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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.