Home / 71,858.81-99,166.19-41,236.90

Finding the Fourth Proportional to 71,858.81, 99,166.19 and 41,236.90

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Solution

The fourth proportional to 71,858.81, 99,166.19 and 41,236.90 is: 56,907.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,858.81 : 99,166.19 = 41,236.90 : x
  2. Step 2: Convert to fraction form
    71,858.81/99,166.19 = 41,236.90/x
  3. Step 3: Cross multiply
    71,858.81x = 99,166.19 × 41,236.90
  4. Step 4: Simplify right side
    71,858.81x = 4,089,306,012.50
  5. Step 5: Solve for x
    x = 4,089,306,012.50/71,858.81
  6. Step 6: Final answer
    x = 56,907.51

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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.