Home / 89,051.04-122,642.64-68,833.44

Finding the Fourth Proportional to 89,051.04, 122,642.64 and 68,833.44

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Solution

The fourth proportional to 89,051.04, 122,642.64 and 68,833.44 is: 94,798.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,051.04 : 122,642.64 = 68,833.44 : x
  2. Step 2: Convert to fraction form
    89,051.04/122,642.64 = 68,833.44/x
  3. Step 3: Cross multiply
    89,051.04x = 122,642.64 × 68,833.44
  4. Step 4: Simplify right side
    89,051.04x = 8,441,914,801.88
  5. Step 5: Solve for x
    x = 8,441,914,801.88/89,051.04
  6. Step 6: Final answer
    x = 94,798.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.