Home / 104,344.97-143,887.13-61,895.30

Finding the Fourth Proportional to 104,344.97, 143,887.13 and 61,895.30

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Solution

The fourth proportional to 104,344.97, 143,887.13 and 61,895.30 is: 85,350.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,344.97 : 143,887.13 = 61,895.30 : x
  2. Step 2: Convert to fraction form
    104,344.97/143,887.13 = 61,895.30/x
  3. Step 3: Cross multiply
    104,344.97x = 143,887.13 × 61,895.30
  4. Step 4: Simplify right side
    104,344.97x = 8,905,936,048.58
  5. Step 5: Solve for x
    x = 8,905,936,048.58/104,344.97
  6. Step 6: Final answer
    x = 85,350.89

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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.