Home / 45,696.06-68,544.09-19,419.26

Finding the Fourth Proportional to 45,696.06, 68,544.09 and 19,419.26

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Solution

The fourth proportional to 45,696.06, 68,544.09 and 19,419.26 is: 29,128.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,696.06 : 68,544.09 = 19,419.26 : x
  2. Step 2: Convert to fraction form
    45,696.06/68,544.09 = 19,419.26/x
  3. Step 3: Cross multiply
    45,696.06x = 68,544.09 × 19,419.26
  4. Step 4: Simplify right side
    45,696.06x = 1,331,075,162.45
  5. Step 5: Solve for x
    x = 1,331,075,162.45/45,696.06
  6. Step 6: Final answer
    x = 29,128.88

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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.