Home / 104,786.04-144,604.77-57,039.72

Finding the Fourth Proportional to 104,786.04, 144,604.77 and 57,039.72

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Solution

The fourth proportional to 104,786.04, 144,604.77 and 57,039.72 is: 78,714.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,786.04 : 144,604.77 = 57,039.72 : x
  2. Step 2: Convert to fraction form
    104,786.04/144,604.77 = 57,039.72/x
  3. Step 3: Cross multiply
    104,786.04x = 144,604.77 × 57,039.72
  4. Step 4: Simplify right side
    104,786.04x = 8,248,215,591.46
  5. Step 5: Solve for x
    x = 8,248,215,591.46/104,786.04
  6. Step 6: Final answer
    x = 78,714.83

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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.