Home / 104,723.42-144,518.92-56,977.09

Finding the Fourth Proportional to 104,723.42, 144,518.92 and 56,977.09

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Solution

The fourth proportional to 104,723.42, 144,518.92 and 56,977.09 is: 78,628.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,723.42 : 144,518.92 = 56,977.09 : x
  2. Step 2: Convert to fraction form
    104,723.42/144,518.92 = 56,977.09/x
  3. Step 3: Cross multiply
    104,723.42x = 144,518.92 × 56,977.09
  4. Step 4: Simplify right side
    104,723.42x = 8,234,267,007.80
  5. Step 5: Solve for x
    x = 8,234,267,007.80/104,723.42
  6. Step 6: Final answer
    x = 78,628.71

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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.