Home / 104,340.48-143,942.04-61,883.52

Finding the Fourth Proportional to 104,340.48, 143,942.04 and 61,883.52

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Solution

The fourth proportional to 104,340.48, 143,942.04 and 61,883.52 is: 85,370.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,340.48 : 143,942.04 = 61,883.52 : x
  2. Step 2: Convert to fraction form
    104,340.48/143,942.04 = 61,883.52/x
  3. Step 3: Cross multiply
    104,340.48x = 143,942.04 × 61,883.52
  4. Step 4: Simplify right side
    104,340.48x = 8,907,640,111.18
  5. Step 5: Solve for x
    x = 8,907,640,111.18/104,340.48
  6. Step 6: Final answer
    x = 85,370.89

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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.