Home / 100,652.15-150,999.69-34,089.95

Finding the Fourth Proportional to 100,652.15, 150,999.69 and 34,089.95

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Solution

The fourth proportional to 100,652.15, 150,999.69 and 34,089.95 is: 51,142.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,652.15 : 150,999.69 = 34,089.95 : x
  2. Step 2: Convert to fraction form
    100,652.15/150,999.69 = 34,089.95/x
  3. Step 3: Cross multiply
    100,652.15x = 150,999.69 × 34,089.95
  4. Step 4: Simplify right side
    100,652.15x = 5,147,571,882.12
  5. Step 5: Solve for x
    x = 5,147,571,882.12/100,652.15
  6. Step 6: Final answer
    x = 51,142.19

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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.