Home / 76,936.61-115,419.86-29,548.22

Finding the Fourth Proportional to 76,936.61, 115,419.86 and 29,548.22

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Solution

The fourth proportional to 76,936.61, 115,419.86 and 29,548.22 is: 44,328.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,936.61 : 115,419.86 = 29,548.22 : x
  2. Step 2: Convert to fraction form
    76,936.61/115,419.86 = 29,548.22/x
  3. Step 3: Cross multiply
    76,936.61x = 115,419.86 × 29,548.22
  4. Step 4: Simplify right side
    76,936.61x = 3,410,450,690.81
  5. Step 5: Solve for x
    x = 3,410,450,690.81/76,936.61
  6. Step 6: Final answer
    x = 44,328.06

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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.