Home / 104,111.26-143,674.32-56,365.41

Finding the Fourth Proportional to 104,111.26, 143,674.32 and 56,365.41

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Solution

The fourth proportional to 104,111.26, 143,674.32 and 56,365.41 is: 77,784.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,111.26 : 143,674.32 = 56,365.41 : x
  2. Step 2: Convert to fraction form
    104,111.26/143,674.32 = 56,365.41/x
  3. Step 3: Cross multiply
    104,111.26x = 143,674.32 × 56,365.41
  4. Step 4: Simplify right side
    104,111.26x = 8,098,261,953.27
  5. Step 5: Solve for x
    x = 8,098,261,953.27/104,111.26
  6. Step 6: Final answer
    x = 77,784.69

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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.