Home / 103,938.60-155,924.28-33,801.51

Finding the Fourth Proportional to 103,938.60, 155,924.28 and 33,801.51

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Solution

The fourth proportional to 103,938.60, 155,924.28 and 33,801.51 is: 50,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,938.60 : 155,924.28 = 33,801.51 : x
  2. Step 2: Convert to fraction form
    103,938.60/155,924.28 = 33,801.51/x
  3. Step 3: Cross multiply
    103,938.60x = 155,924.28 × 33,801.51
  4. Step 4: Simplify right side
    103,938.60x = 5,270,476,109.66
  5. Step 5: Solve for x
    x = 5,270,476,109.66/103,938.60
  6. Step 6: Final answer
    x = 50,707.59

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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.