Home / 104,784.72-144,633.45-68,491.44

Finding the Fourth Proportional to 104,784.72, 144,633.45 and 68,491.44

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Solution

The fourth proportional to 104,784.72, 144,633.45 and 68,491.44 is: 94,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,784.72 : 144,633.45 = 68,491.44 : x
  2. Step 2: Convert to fraction form
    104,784.72/144,633.45 = 68,491.44/x
  3. Step 3: Cross multiply
    104,784.72x = 144,633.45 × 68,491.44
  4. Step 4: Simplify right side
    104,784.72x = 9,906,153,262.67
  5. Step 5: Solve for x
    x = 9,906,153,262.67/104,784.72
  6. Step 6: Final answer
    x = 94,538.15

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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.