Home / 100,788.80-151,217.36-44,621.16

Finding the Fourth Proportional to 100,788.80, 151,217.36 and 44,621.16

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Solution

The fourth proportional to 100,788.80, 151,217.36 and 44,621.16 is: 66,946.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,788.80 : 151,217.36 = 44,621.16 : x
  2. Step 2: Convert to fraction form
    100,788.80/151,217.36 = 44,621.16/x
  3. Step 3: Cross multiply
    100,788.80x = 151,217.36 × 44,621.16
  4. Step 4: Simplify right side
    100,788.80x = 6,747,494,015.34
  5. Step 5: Solve for x
    x = 6,747,494,015.34/100,788.80
  6. Step 6: Final answer
    x = 66,946.86

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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.