Home / 55,147.91-82,735.70-15,705.01

Finding the Fourth Proportional to 55,147.91, 82,735.70 and 15,705.01

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Solution

The fourth proportional to 55,147.91, 82,735.70 and 15,705.01 is: 23,561.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,147.91 : 82,735.70 = 15,705.01 : x
  2. Step 2: Convert to fraction form
    55,147.91/82,735.70 = 15,705.01/x
  3. Step 3: Cross multiply
    55,147.91x = 82,735.70 × 15,705.01
  4. Step 4: Simplify right side
    55,147.91x = 1,299,364,917.33
  5. Step 5: Solve for x
    x = 1,299,364,917.33/55,147.91
  6. Step 6: Final answer
    x = 23,561.46

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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.