Home / 104,013.25-143,537.43-56,266.72

Finding the Fourth Proportional to 104,013.25, 143,537.43 and 56,266.72

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Solution

The fourth proportional to 104,013.25, 143,537.43 and 56,266.72 is: 77,647.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,013.25 : 143,537.43 = 56,266.72 : x
  2. Step 2: Convert to fraction form
    104,013.25/143,537.43 = 56,266.72/x
  3. Step 3: Cross multiply
    104,013.25x = 143,537.43 × 56,266.72
  4. Step 4: Simplify right side
    104,013.25x = 8,076,380,383.33
  5. Step 5: Solve for x
    x = 8,076,380,383.33/104,013.25
  6. Step 6: Final answer
    x = 77,647.61

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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.