Home / 104,783.22-144,631.38-68,489.94

Finding the Fourth Proportional to 104,783.22, 144,631.38 and 68,489.94

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Solution

The fourth proportional to 104,783.22, 144,631.38 and 68,489.94 is: 94,536.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,783.22 : 144,631.38 = 68,489.94 : x
  2. Step 2: Convert to fraction form
    104,783.22/144,631.38 = 68,489.94/x
  3. Step 3: Cross multiply
    104,783.22x = 144,631.38 × 68,489.94
  4. Step 4: Simplify right side
    104,783.22x = 9,905,794,538.32
  5. Step 5: Solve for x
    x = 9,905,794,538.32/104,783.22
  6. Step 6: Final answer
    x = 94,536.08

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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.