Home / 52,005.06-78,015.69-16,936.56

Finding the Fourth Proportional to 52,005.06, 78,015.69 and 16,936.56

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Solution

The fourth proportional to 52,005.06, 78,015.69 and 16,936.56 is: 25,407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,005.06 : 78,015.69 = 16,936.56 : x
  2. Step 2: Convert to fraction form
    52,005.06/78,015.69 = 16,936.56/x
  3. Step 3: Cross multiply
    52,005.06x = 78,015.69 × 16,936.56
  4. Step 4: Simplify right side
    52,005.06x = 1,321,317,414.63
  5. Step 5: Solve for x
    x = 1,321,317,414.63/52,005.06
  6. Step 6: Final answer
    x = 25,407.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.