Home / 99,601.20-149,231.70-46,902.60

Finding the Fourth Proportional to 99,601.20, 149,231.70 and 46,902.60

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Solution

The fourth proportional to 99,601.20, 149,231.70 and 46,902.60 is: 70,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,601.20 : 149,231.70 = 46,902.60 : x
  2. Step 2: Convert to fraction form
    99,601.20/149,231.70 = 46,902.60/x
  3. Step 3: Cross multiply
    99,601.20x = 149,231.70 × 46,902.60
  4. Step 4: Simplify right side
    99,601.20x = 6,999,354,732.42
  5. Step 5: Solve for x
    x = 6,999,354,732.42/99,601.20
  6. Step 6: Final answer
    x = 70,273.80

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1.5x scale

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.