Home / 104,107.88-143,669.61-56,361.35

Finding the Fourth Proportional to 104,107.88, 143,669.61 and 56,361.35

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Solution

The fourth proportional to 104,107.88, 143,669.61 and 56,361.35 is: 77,779.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,107.88 : 143,669.61 = 56,361.35 : x
  2. Step 2: Convert to fraction form
    104,107.88/143,669.61 = 56,361.35/x
  3. Step 3: Cross multiply
    104,107.88x = 143,669.61 × 56,361.35
  4. Step 4: Simplify right side
    104,107.88x = 8,097,412,455.23
  5. Step 5: Solve for x
    x = 8,097,412,455.23/104,107.88
  6. Step 6: Final answer
    x = 77,779.06

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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.