Home / 104,072.12-143,619.27-56,325.50

Finding the Fourth Proportional to 104,072.12, 143,619.27 and 56,325.50

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Solution

The fourth proportional to 104,072.12, 143,619.27 and 56,325.50 is: 77,729.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,072.12 : 143,619.27 = 56,325.50 : x
  2. Step 2: Convert to fraction form
    104,072.12/143,619.27 = 56,325.50/x
  3. Step 3: Cross multiply
    104,072.12x = 143,619.27 × 56,325.50
  4. Step 4: Simplify right side
    104,072.12x = 8,089,427,192.39
  5. Step 5: Solve for x
    x = 8,089,427,192.39/104,072.12
  6. Step 6: Final answer
    x = 77,729.05

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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.