Home / 68,355.63-102,556.53-43,074.18

Finding the Fourth Proportional to 68,355.63, 102,556.53 and 43,074.18

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Solution

The fourth proportional to 68,355.63, 102,556.53 and 43,074.18 is: 64,625.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,355.63 : 102,556.53 = 43,074.18 : x
  2. Step 2: Convert to fraction form
    68,355.63/102,556.53 = 43,074.18/x
  3. Step 3: Cross multiply
    68,355.63x = 102,556.53 × 43,074.18
  4. Step 4: Simplify right side
    68,355.63x = 4,417,538,433.40
  5. Step 5: Solve for x
    x = 4,417,538,433.40/68,355.63
  6. Step 6: Final answer
    x = 64,625.82

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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.