Home / 104,023.62-143,486.37-68,215.86

Finding the Fourth Proportional to 104,023.62, 143,486.37 and 68,215.86

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Solution

The fourth proportional to 104,023.62, 143,486.37 and 68,215.86 is: 94,094.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,023.62 : 143,486.37 = 68,215.86 : x
  2. Step 2: Convert to fraction form
    104,023.62/143,486.37 = 68,215.86/x
  3. Step 3: Cross multiply
    104,023.62x = 143,486.37 × 68,215.86
  4. Step 4: Simplify right side
    104,023.62x = 9,788,046,127.83
  5. Step 5: Solve for x
    x = 9,788,046,127.83/104,023.62
  6. Step 6: Final answer
    x = 94,094.46

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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.