Home / 104,140.44-143,704.98-61,115.49

Finding the Fourth Proportional to 104,140.44, 143,704.98 and 61,115.49

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Solution

The fourth proportional to 104,140.44, 143,704.98 and 61,115.49 is: 84,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,140.44 : 143,704.98 = 61,115.49 : x
  2. Step 2: Convert to fraction form
    104,140.44/143,704.98 = 61,115.49/x
  3. Step 3: Cross multiply
    104,140.44x = 143,704.98 × 61,115.49
  4. Step 4: Simplify right side
    104,140.44x = 8,782,600,268.14
  5. Step 5: Solve for x
    x = 8,782,600,268.14/104,140.44
  6. Step 6: Final answer
    x = 84,334.20

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1.5x scale

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.