Home / 103,521.63-155,318.90-50,968.02

Finding the Fourth Proportional to 103,521.63, 155,318.90 and 50,968.02

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Solution

The fourth proportional to 103,521.63, 155,318.90 and 50,968.02 is: 76,469.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,521.63 : 155,318.90 = 50,968.02 : x
  2. Step 2: Convert to fraction form
    103,521.63/155,318.90 = 50,968.02/x
  3. Step 3: Cross multiply
    103,521.63x = 155,318.90 × 50,968.02
  4. Step 4: Simplify right side
    103,521.63x = 7,916,296,546.74
  5. Step 5: Solve for x
    x = 7,916,296,546.74/103,521.63
  6. Step 6: Final answer
    x = 76,469.98

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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.