Home / 112,479.22-168,634.78-68,095.28

Finding the Fourth Proportional to 112,479.22, 168,634.78 and 68,095.28

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Solution

The fourth proportional to 112,479.22, 168,634.78 and 68,095.28 is: 102,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,479.22 : 168,634.78 = 68,095.28 : x
  2. Step 2: Convert to fraction form
    112,479.22/168,634.78 = 68,095.28/x
  3. Step 3: Cross multiply
    112,479.22x = 168,634.78 × 68,095.28
  4. Step 4: Simplify right side
    112,479.22x = 11,483,232,561.84
  5. Step 5: Solve for x
    x = 11,483,232,561.84/112,479.22
  6. Step 6: Final answer
    x = 102,092.04

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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.