Home / 90,797.22-136,196.43-31,634.01

Finding the Fourth Proportional to 90,797.22, 136,196.43 and 31,634.01

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Solution

The fourth proportional to 90,797.22, 136,196.43 and 31,634.01 is: 47,451.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,797.22 : 136,196.43 = 31,634.01 : x
  2. Step 2: Convert to fraction form
    90,797.22/136,196.43 = 31,634.01/x
  3. Step 3: Cross multiply
    90,797.22x = 136,196.43 × 31,634.01
  4. Step 4: Simplify right side
    90,797.22x = 4,308,439,228.58
  5. Step 5: Solve for x
    x = 4,308,439,228.58/90,797.22
  6. Step 6: Final answer
    x = 47,451.22

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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.