Home / 100,912.08-151,280.28-41,710.80

Finding the Fourth Proportional to 100,912.08, 151,280.28 and 41,710.80

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Solution

The fourth proportional to 100,912.08, 151,280.28 and 41,710.80 is: 62,529.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,912.08 : 151,280.28 = 41,710.80 : x
  2. Step 2: Convert to fraction form
    100,912.08/151,280.28 = 41,710.80/x
  3. Step 3: Cross multiply
    100,912.08x = 151,280.28 × 41,710.80
  4. Step 4: Simplify right side
    100,912.08x = 6,310,021,503.02
  5. Step 5: Solve for x
    x = 6,310,021,503.02/100,912.08
  6. Step 6: Final answer
    x = 62,529.89

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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.