Home / 107,812.06-148,774.44-61,861.98

Finding the Fourth Proportional to 107,812.06, 148,774.44 and 61,861.98

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Solution

The fourth proportional to 107,812.06, 148,774.44 and 61,861.98 is: 85,365.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,812.06 : 148,774.44 = 61,861.98 : x
  2. Step 2: Convert to fraction form
    107,812.06/148,774.44 = 61,861.98/x
  3. Step 3: Cross multiply
    107,812.06x = 148,774.44 × 61,861.98
  4. Step 4: Simplify right side
    107,812.06x = 9,203,481,036.85
  5. Step 5: Solve for x
    x = 9,203,481,036.85/107,812.06
  6. Step 6: Final answer
    x = 85,365.97

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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.