Home / 76,871.44-115,302.98-23,563.60

Finding the Fourth Proportional to 76,871.44, 115,302.98 and 23,563.60

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Solution

The fourth proportional to 76,871.44, 115,302.98 and 23,563.60 is: 35,344.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,871.44 : 115,302.98 = 23,563.60 : x
  2. Step 2: Convert to fraction form
    76,871.44/115,302.98 = 23,563.60/x
  3. Step 3: Cross multiply
    76,871.44x = 115,302.98 × 23,563.60
  4. Step 4: Simplify right side
    76,871.44x = 2,716,953,299.53
  5. Step 5: Solve for x
    x = 2,716,953,299.53/76,871.44
  6. Step 6: Final answer
    x = 35,344.12

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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.