Home / 112,982.58-155,910.75-61,994.07

Finding the Fourth Proportional to 112,982.58, 155,910.75 and 61,994.07

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Solution

The fourth proportional to 112,982.58, 155,910.75 and 61,994.07 is: 85,548.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,982.58 : 155,910.75 = 61,994.07 : x
  2. Step 2: Convert to fraction form
    112,982.58/155,910.75 = 61,994.07/x
  3. Step 3: Cross multiply
    112,982.58x = 155,910.75 × 61,994.07
  4. Step 4: Simplify right side
    112,982.58x = 9,665,541,949.25
  5. Step 5: Solve for x
    x = 9,665,541,949.25/112,982.58
  6. Step 6: Final answer
    x = 85,548.96

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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.