Home / 104,009.21-143,550.32-60,394.97

Finding the Fourth Proportional to 104,009.21, 143,550.32 and 60,394.97

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Solution

The fourth proportional to 104,009.21, 143,550.32 and 60,394.97 is: 83,355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,009.21 : 143,550.32 = 60,394.97 : x
  2. Step 2: Convert to fraction form
    104,009.21/143,550.32 = 60,394.97/x
  3. Step 3: Cross multiply
    104,009.21x = 143,550.32 × 60,394.97
  4. Step 4: Simplify right side
    104,009.21x = 8,669,716,859.04
  5. Step 5: Solve for x
    x = 8,669,716,859.04/104,009.21
  6. Step 6: Final answer
    x = 83,355.28

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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.