Home / 99,015.12-148,488.12-39,835.44

Finding the Fourth Proportional to 99,015.12, 148,488.12 and 39,835.44

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Solution

The fourth proportional to 99,015.12, 148,488.12 and 39,835.44 is: 59,739.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,015.12 : 148,488.12 = 39,835.44 : x
  2. Step 2: Convert to fraction form
    99,015.12/148,488.12 = 39,835.44/x
  3. Step 3: Cross multiply
    99,015.12x = 148,488.12 × 39,835.44
  4. Step 4: Simplify right side
    99,015.12x = 5,915,089,594.97
  5. Step 5: Solve for x
    x = 5,915,089,594.97/99,015.12
  6. Step 6: Final answer
    x = 59,739.26

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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.