Home / 80,907.06-111,652.26-45,099.33

Finding the Fourth Proportional to 80,907.06, 111,652.26 and 45,099.33

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Solution

The fourth proportional to 80,907.06, 111,652.26 and 45,099.33 is: 62,237.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,907.06 : 111,652.26 = 45,099.33 : x
  2. Step 2: Convert to fraction form
    80,907.06/111,652.26 = 45,099.33/x
  3. Step 3: Cross multiply
    80,907.06x = 111,652.26 × 45,099.33
  4. Step 4: Simplify right side
    80,907.06x = 5,035,442,118.99
  5. Step 5: Solve for x
    x = 5,035,442,118.99/80,907.06
  6. Step 6: Final answer
    x = 62,237.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.