Home / 104,905.98-144,823.86-71,093.16

Finding the Fourth Proportional to 104,905.98, 144,823.86 and 71,093.16

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Solution

The fourth proportional to 104,905.98, 144,823.86 and 71,093.16 is: 98,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,905.98 : 144,823.86 = 71,093.16 : x
  2. Step 2: Convert to fraction form
    104,905.98/144,823.86 = 71,093.16/x
  3. Step 3: Cross multiply
    104,905.98x = 144,823.86 × 71,093.16
  4. Step 4: Simplify right side
    104,905.98x = 10,295,985,850.80
  5. Step 5: Solve for x
    x = 10,295,985,850.80/104,905.98
  6. Step 6: Final answer
    x = 98,144.89

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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.