Home / 100,069.35-150,091.07-37,731.75

Finding the Fourth Proportional to 100,069.35, 150,091.07 and 37,731.75

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Solution

The fourth proportional to 100,069.35, 150,091.07 and 37,731.75 is: 56,592.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,069.35 : 150,091.07 = 37,731.75 : x
  2. Step 2: Convert to fraction form
    100,069.35/150,091.07 = 37,731.75/x
  3. Step 3: Cross multiply
    100,069.35x = 150,091.07 × 37,731.75
  4. Step 4: Simplify right side
    100,069.35x = 5,663,198,541.81
  5. Step 5: Solve for x
    x = 5,663,198,541.81/100,069.35
  6. Step 6: Final answer
    x = 56,592.74

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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.