Home / 112,440.36-168,661.28-44,978.04

Finding the Fourth Proportional to 112,440.36, 168,661.28 and 44,978.04

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Solution

The fourth proportional to 112,440.36, 168,661.28 and 44,978.04 is: 67,467.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,440.36 : 168,661.28 = 44,978.04 : x
  2. Step 2: Convert to fraction form
    112,440.36/168,661.28 = 44,978.04/x
  3. Step 3: Cross multiply
    112,440.36x = 168,661.28 × 44,978.04
  4. Step 4: Simplify right side
    112,440.36x = 7,586,053,910.74
  5. Step 5: Solve for x
    x = 7,586,053,910.74/112,440.36
  6. Step 6: Final answer
    x = 67,467.35

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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.