Home / 104,429.44-144,112.80-56,682.78

Finding the Fourth Proportional to 104,429.44, 144,112.80 and 56,682.78

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Solution

The fourth proportional to 104,429.44, 144,112.80 and 56,682.78 is: 78,222.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,429.44 : 144,112.80 = 56,682.78 : x
  2. Step 2: Convert to fraction form
    104,429.44/144,112.80 = 56,682.78/x
  3. Step 3: Cross multiply
    104,429.44x = 144,112.80 × 56,682.78
  4. Step 4: Simplify right side
    104,429.44x = 8,168,714,137.58
  5. Step 5: Solve for x
    x = 8,168,714,137.58/104,429.44
  6. Step 6: Final answer
    x = 78,222.33

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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.