Home / 104,406.57-144,081.18-56,659.94

Finding the Fourth Proportional to 104,406.57, 144,081.18 and 56,659.94

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Solution

The fourth proportional to 104,406.57, 144,081.18 and 56,659.94 is: 78,190.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,406.57 : 144,081.18 = 56,659.94 : x
  2. Step 2: Convert to fraction form
    104,406.57/144,081.18 = 56,659.94/x
  3. Step 3: Cross multiply
    104,406.57x = 144,081.18 × 56,659.94
  4. Step 4: Simplify right side
    104,406.57x = 8,163,630,833.83
  5. Step 5: Solve for x
    x = 8,163,630,833.83/104,406.57
  6. Step 6: Final answer
    x = 78,190.78

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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.