Home / 104,981.16-144,874.85-57,234.85

Finding the Fourth Proportional to 104,981.16, 144,874.85 and 57,234.85

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Solution

The fourth proportional to 104,981.16, 144,874.85 and 57,234.85 is: 78,984.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,981.16 : 144,874.85 = 57,234.85 : x
  2. Step 2: Convert to fraction form
    104,981.16/144,874.85 = 57,234.85/x
  3. Step 3: Cross multiply
    104,981.16x = 144,874.85 × 57,234.85
  4. Step 4: Simplify right side
    104,981.16x = 8,291,890,958.00
  5. Step 5: Solve for x
    x = 8,291,890,958.00/104,981.16
  6. Step 6: Final answer
    x = 78,984.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.