Home / 76,679.41-114,948.26-41,165.72

Finding the Fourth Proportional to 76,679.41, 114,948.26 and 41,165.72

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Solution

The fourth proportional to 76,679.41, 114,948.26 and 41,165.72 is: 61,710.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,679.41 : 114,948.26 = 41,165.72 : x
  2. Step 2: Convert to fraction form
    76,679.41/114,948.26 = 41,165.72/x
  3. Step 3: Cross multiply
    76,679.41x = 114,948.26 × 41,165.72
  4. Step 4: Simplify right side
    76,679.41x = 4,731,927,922.06
  5. Step 5: Solve for x
    x = 4,731,927,922.06/76,679.41
  6. Step 6: Final answer
    x = 61,710.54

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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.