Home / 104,370.94-144,032.21-56,624.68

Finding the Fourth Proportional to 104,370.94, 144,032.21 and 56,624.68

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Solution

The fourth proportional to 104,370.94, 144,032.21 and 56,624.68 is: 78,142.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,370.94 : 144,032.21 = 56,624.68 : x
  2. Step 2: Convert to fraction form
    104,370.94/144,032.21 = 56,624.68/x
  3. Step 3: Cross multiply
    104,370.94x = 144,032.21 × 56,624.68
  4. Step 4: Simplify right side
    104,370.94x = 8,155,777,517.82
  5. Step 5: Solve for x
    x = 8,155,777,517.82/104,370.94
  6. Step 6: Final answer
    x = 78,142.23

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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.