Home / 74,470.50-102,857.04-49,276.26

Finding the Fourth Proportional to 74,470.50, 102,857.04 and 49,276.26

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Solution

The fourth proportional to 74,470.50, 102,857.04 and 49,276.26 is: 68,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,470.50 : 102,857.04 = 49,276.26 : x
  2. Step 2: Convert to fraction form
    74,470.50/102,857.04 = 49,276.26/x
  3. Step 3: Cross multiply
    74,470.50x = 102,857.04 × 49,276.26
  4. Step 4: Simplify right side
    74,470.50x = 5,068,410,245.87
  5. Step 5: Solve for x
    x = 5,068,410,245.87/74,470.50
  6. Step 6: Final answer
    x = 68,059.30

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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.