Home / 104,518.35-144,235.17-56,771.73

Finding the Fourth Proportional to 104,518.35, 144,235.17 and 56,771.73

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Solution

The fourth proportional to 104,518.35, 144,235.17 and 56,771.73 is: 78,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,518.35 : 144,235.17 = 56,771.73 : x
  2. Step 2: Convert to fraction form
    104,518.35/144,235.17 = 56,771.73/x
  3. Step 3: Cross multiply
    104,518.35x = 144,235.17 × 56,771.73
  4. Step 4: Simplify right side
    104,518.35x = 8,188,480,127.74
  5. Step 5: Solve for x
    x = 8,188,480,127.74/104,518.35
  6. Step 6: Final answer
    x = 78,344.90

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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.