Home / 103,423.55-155,135.33-33,302.86

Finding the Fourth Proportional to 103,423.55, 155,135.33 and 33,302.86

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Solution

The fourth proportional to 103,423.55, 155,135.33 and 33,302.86 is: 49,954.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,423.55 : 155,135.33 = 33,302.86 : x
  2. Step 2: Convert to fraction form
    103,423.55/155,135.33 = 33,302.86/x
  3. Step 3: Cross multiply
    103,423.55x = 155,135.33 × 33,302.86
  4. Step 4: Simplify right side
    103,423.55x = 5,166,450,176.04
  5. Step 5: Solve for x
    x = 5,166,450,176.04/103,423.55
  6. Step 6: Final answer
    x = 49,954.29

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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.