Home / 103,974.84-155,938.37-29,100.33

Finding the Fourth Proportional to 103,974.84, 155,938.37 and 29,100.33

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Solution

The fourth proportional to 103,974.84, 155,938.37 and 29,100.33 is: 43,643.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,974.84 : 155,938.37 = 29,100.33 : x
  2. Step 2: Convert to fraction form
    103,974.84/155,938.37 = 29,100.33/x
  3. Step 3: Cross multiply
    103,974.84x = 155,938.37 × 29,100.33
  4. Step 4: Simplify right side
    103,974.84x = 4,537,857,881.16
  5. Step 5: Solve for x
    x = 4,537,857,881.16/103,974.84
  6. Step 6: Final answer
    x = 43,643.81

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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.