Home / 103,918.84-155,878.28-25,033.02

Finding the Fourth Proportional to 103,918.84, 155,878.28 and 25,033.02

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Solution

The fourth proportional to 103,918.84, 155,878.28 and 25,033.02 is: 37,549.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,918.84 : 155,878.28 = 25,033.02 : x
  2. Step 2: Convert to fraction form
    103,918.84/155,878.28 = 25,033.02/x
  3. Step 3: Cross multiply
    103,918.84x = 155,878.28 × 25,033.02
  4. Step 4: Simplify right side
    103,918.84x = 3,902,104,100.81
  5. Step 5: Solve for x
    x = 3,902,104,100.81/103,918.84
  6. Step 6: Final answer
    x = 37,549.53

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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.