Home / 104,406.14-144,081.53-56,659.90

Finding the Fourth Proportional to 104,406.14, 144,081.53 and 56,659.90

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Solution

The fourth proportional to 104,406.14, 144,081.53 and 56,659.90 is: 78,191.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,406.14 : 144,081.53 = 56,659.90 : x
  2. Step 2: Convert to fraction form
    104,406.14/144,081.53 = 56,659.90/x
  3. Step 3: Cross multiply
    104,406.14x = 144,081.53 × 56,659.90
  4. Step 4: Simplify right side
    104,406.14x = 8,163,645,081.65
  5. Step 5: Solve for x
    x = 8,163,645,081.65/104,406.14
  6. Step 6: Final answer
    x = 78,191.24

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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.