Home / 101,533.90-152,440.60-51,647.75

Finding the Fourth Proportional to 101,533.90, 152,440.60 and 51,647.75

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Solution

The fourth proportional to 101,533.90, 152,440.60 and 51,647.75 is: 77,542.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,533.90 : 152,440.60 = 51,647.75 : x
  2. Step 2: Convert to fraction form
    101,533.90/152,440.60 = 51,647.75/x
  3. Step 3: Cross multiply
    101,533.90x = 152,440.60 × 51,647.75
  4. Step 4: Simplify right side
    101,533.90x = 7,873,213,998.65
  5. Step 5: Solve for x
    x = 7,873,213,998.65/101,533.90
  6. Step 6: Final answer
    x = 77,542.71

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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.