Home / 106,739.89-160,104.06-54,148.01

Finding the Fourth Proportional to 106,739.89, 160,104.06 and 54,148.01

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Solution

The fourth proportional to 106,739.89, 160,104.06 and 54,148.01 is: 81,219.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,739.89 : 160,104.06 = 54,148.01 : x
  2. Step 2: Convert to fraction form
    106,739.89/160,104.06 = 54,148.01/x
  3. Step 3: Cross multiply
    106,739.89x = 160,104.06 × 54,148.01
  4. Step 4: Simplify right side
    106,739.89x = 8,669,316,241.92
  5. Step 5: Solve for x
    x = 8,669,316,241.92/106,739.89
  6. Step 6: Final answer
    x = 81,219.09

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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.