Home / 104,090.63-143,645.13-56,344.37

Finding the Fourth Proportional to 104,090.63, 143,645.13 and 56,344.37

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Solution

The fourth proportional to 104,090.63, 143,645.13 and 56,344.37 is: 77,755.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,090.63 : 143,645.13 = 56,344.37 : x
  2. Step 2: Convert to fraction form
    104,090.63/143,645.13 = 56,344.37/x
  3. Step 3: Cross multiply
    104,090.63x = 143,645.13 × 56,344.37
  4. Step 4: Simplify right side
    104,090.63x = 8,093,593,635.19
  5. Step 5: Solve for x
    x = 8,093,593,635.19/104,090.63
  6. Step 6: Final answer
    x = 77,755.26

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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.