Home / 103,564.41-155,297.54-36,072.90

Finding the Fourth Proportional to 103,564.41, 155,297.54 and 36,072.90

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Solution

The fourth proportional to 103,564.41, 155,297.54 and 36,072.90 is: 54,092.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,564.41 : 155,297.54 = 36,072.90 : x
  2. Step 2: Convert to fraction form
    103,564.41/155,297.54 = 36,072.90/x
  3. Step 3: Cross multiply
    103,564.41x = 155,297.54 × 36,072.90
  4. Step 4: Simplify right side
    103,564.41x = 5,602,032,450.30
  5. Step 5: Solve for x
    x = 5,602,032,450.30/103,564.41
  6. Step 6: Final answer
    x = 54,092.25

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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.