Home / 45,974.36-68,943.53-17,890.70

Finding the Fourth Proportional to 45,974.36, 68,943.53 and 17,890.70

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Solution

The fourth proportional to 45,974.36, 68,943.53 and 17,890.70 is: 26,829.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,974.36 : 68,943.53 = 17,890.70 : x
  2. Step 2: Convert to fraction form
    45,974.36/68,943.53 = 17,890.70/x
  3. Step 3: Cross multiply
    45,974.36x = 68,943.53 × 17,890.70
  4. Step 4: Simplify right side
    45,974.36x = 1,233,447,712.18
  5. Step 5: Solve for x
    x = 1,233,447,712.18/45,974.36
  6. Step 6: Final answer
    x = 26,829.03

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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.