Home / 103,901.20-155,874.92-48,466.96

Finding the Fourth Proportional to 103,901.20, 155,874.92 and 48,466.96

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Solution

The fourth proportional to 103,901.20, 155,874.92 and 48,466.96 is: 72,711.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,901.20 : 155,874.92 = 48,466.96 : x
  2. Step 2: Convert to fraction form
    103,901.20/155,874.92 = 48,466.96/x
  3. Step 3: Cross multiply
    103,901.20x = 155,874.92 × 48,466.96
  4. Step 4: Simplify right side
    103,901.20x = 7,554,783,512.64
  5. Step 5: Solve for x
    x = 7,554,783,512.64/103,901.20
  6. Step 6: Final answer
    x = 72,711.22

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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.