Home / 107,939.44-161,928.64-48,802.96

Finding the Fourth Proportional to 107,939.44, 161,928.64 and 48,802.96

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Solution

The fourth proportional to 107,939.44, 161,928.64 and 48,802.96 is: 73,213.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,939.44 : 161,928.64 = 48,802.96 : x
  2. Step 2: Convert to fraction form
    107,939.44/161,928.64 = 48,802.96/x
  3. Step 3: Cross multiply
    107,939.44x = 161,928.64 × 48,802.96
  4. Step 4: Simplify right side
    107,939.44x = 7,902,596,940.77
  5. Step 5: Solve for x
    x = 7,902,596,940.77/107,939.44
  6. Step 6: Final answer
    x = 73,213.25

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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.