Home / 104,581.98-144,323.46-56,834.28

Finding the Fourth Proportional to 104,581.98, 144,323.46 and 56,834.28

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Solution

The fourth proportional to 104,581.98, 144,323.46 and 56,834.28 is: 78,431.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,581.98 : 144,323.46 = 56,834.28 : x
  2. Step 2: Convert to fraction form
    104,581.98/144,323.46 = 56,834.28/x
  3. Step 3: Cross multiply
    104,581.98x = 144,323.46 × 56,834.28
  4. Step 4: Simplify right side
    104,581.98x = 8,202,519,936.21
  5. Step 5: Solve for x
    x = 8,202,519,936.21/104,581.98
  6. Step 6: Final answer
    x = 78,431.48

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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.