Home / 80,907.48-111,652.88-45,099.80

Finding the Fourth Proportional to 80,907.48, 111,652.88 and 45,099.80

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Solution

The fourth proportional to 80,907.48, 111,652.88 and 45,099.80 is: 62,238.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,907.48 : 111,652.88 = 45,099.80 : x
  2. Step 2: Convert to fraction form
    80,907.48/111,652.88 = 45,099.80/x
  3. Step 3: Cross multiply
    80,907.48x = 111,652.88 × 45,099.80
  4. Step 4: Simplify right side
    80,907.48x = 5,035,522,557.42
  5. Step 5: Solve for x
    x = 5,035,522,557.42/80,907.48
  6. Step 6: Final answer
    x = 62,238.03

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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.