Home / 104,425.44-144,107.24-56,678.81

Finding the Fourth Proportional to 104,425.44, 144,107.24 and 56,678.81

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Solution

The fourth proportional to 104,425.44, 144,107.24 and 56,678.81 is: 78,216.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,425.44 : 144,107.24 = 56,678.81 : x
  2. Step 2: Convert to fraction form
    104,425.44/144,107.24 = 56,678.81/x
  3. Step 3: Cross multiply
    104,425.44x = 144,107.24 × 56,678.81
  4. Step 4: Simplify right side
    104,425.44x = 8,167,825,871.65
  5. Step 5: Solve for x
    x = 8,167,825,871.65/104,425.44
  6. Step 6: Final answer
    x = 78,216.82

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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.