Home / 90,798.15-136,167.90-33,087.17

Finding the Fourth Proportional to 90,798.15, 136,167.90 and 33,087.17

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Solution

The fourth proportional to 90,798.15, 136,167.90 and 33,087.17 is: 49,620.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,798.15 : 136,167.90 = 33,087.17 : x
  2. Step 2: Convert to fraction form
    90,798.15/136,167.90 = 33,087.17/x
  3. Step 3: Cross multiply
    90,798.15x = 136,167.90 × 33,087.17
  4. Step 4: Simplify right side
    90,798.15x = 4,505,409,775.00
  5. Step 5: Solve for x
    x = 4,505,409,775.00/90,798.15
  6. Step 6: Final answer
    x = 49,620.06

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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.