Home / 103,963.03-155,963.75-32,903.55

Finding the Fourth Proportional to 103,963.03, 155,963.75 and 32,903.55

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Solution

The fourth proportional to 103,963.03, 155,963.75 and 32,903.55 is: 49,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,963.03 : 155,963.75 = 32,903.55 : x
  2. Step 2: Convert to fraction form
    103,963.03/155,963.75 = 32,903.55/x
  3. Step 3: Cross multiply
    103,963.03x = 155,963.75 × 32,903.55
  4. Step 4: Simplify right side
    103,963.03x = 5,131,760,881.79
  5. Step 5: Solve for x
    x = 5,131,760,881.79/103,963.03
  6. Step 6: Final answer
    x = 49,361.40

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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.