Home / 104,180.35-143,768.87-56,433.69

Finding the Fourth Proportional to 104,180.35, 143,768.87 and 56,433.69

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Solution

The fourth proportional to 104,180.35, 143,768.87 and 56,433.69 is: 77,878.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,180.35 : 143,768.87 = 56,433.69 : x
  2. Step 2: Convert to fraction form
    104,180.35/143,768.87 = 56,433.69/x
  3. Step 3: Cross multiply
    104,180.35x = 143,768.87 × 56,433.69
  4. Step 4: Simplify right side
    104,180.35x = 8,113,407,683.78
  5. Step 5: Solve for x
    x = 8,113,407,683.78/104,180.35
  6. Step 6: Final answer
    x = 77,878.48

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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.