Home / 104,409.32-144,204.48-68,758.68

Finding the Fourth Proportional to 104,409.32, 144,204.48 and 68,758.68

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Solution

The fourth proportional to 104,409.32, 144,204.48 and 68,758.68 is: 94,965.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,409.32 : 144,204.48 = 68,758.68 : x
  2. Step 2: Convert to fraction form
    104,409.32/144,204.48 = 68,758.68/x
  3. Step 3: Cross multiply
    104,409.32x = 144,204.48 × 68,758.68
  4. Step 4: Simplify right side
    104,409.32x = 9,915,309,694.89
  5. Step 5: Solve for x
    x = 9,915,309,694.89/104,409.32
  6. Step 6: Final answer
    x = 94,965.75

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1.5x scale

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.