Home / 69,905.22-104,754.15-51,346.50

Finding the Fourth Proportional to 69,905.22, 104,754.15 and 51,346.50

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Solution

The fourth proportional to 69,905.22, 104,754.15 and 51,346.50 is: 76,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,905.22 : 104,754.15 = 51,346.50 : x
  2. Step 2: Convert to fraction form
    69,905.22/104,754.15 = 51,346.50/x
  3. Step 3: Cross multiply
    69,905.22x = 104,754.15 × 51,346.50
  4. Step 4: Simplify right side
    69,905.22x = 5,378,759,159.39
  5. Step 5: Solve for x
    x = 5,378,759,159.39/69,905.22
  6. Step 6: Final answer
    x = 76,943.60

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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.