Home / 104,210.72-143,791.86-58,271.19

Finding the Fourth Proportional to 104,210.72, 143,791.86 and 58,271.19

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Solution

The fourth proportional to 104,210.72, 143,791.86 and 58,271.19 is: 80,403.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,210.72 : 143,791.86 = 58,271.19 : x
  2. Step 2: Convert to fraction form
    104,210.72/143,791.86 = 58,271.19/x
  3. Step 3: Cross multiply
    104,210.72x = 143,791.86 × 58,271.19
  4. Step 4: Simplify right side
    104,210.72x = 8,378,922,794.51
  5. Step 5: Solve for x
    x = 8,378,922,794.51/104,210.72
  6. Step 6: Final answer
    x = 80,403.66

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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.