Home / 103,623.63-155,435.45-33,502.95

Finding the Fourth Proportional to 103,623.63, 155,435.45 and 33,502.95

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Solution

The fourth proportional to 103,623.63, 155,435.45 and 33,502.95 is: 50,254.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,623.63 : 155,435.45 = 33,502.95 : x
  2. Step 2: Convert to fraction form
    103,623.63/155,435.45 = 33,502.95/x
  3. Step 3: Cross multiply
    103,623.63x = 155,435.45 × 33,502.95
  4. Step 4: Simplify right side
    103,623.63x = 5,207,546,109.58
  5. Step 5: Solve for x
    x = 5,207,546,109.58/103,623.63
  6. Step 6: Final answer
    x = 50,254.43

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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.