Home / 104,181.83-143,770.41-56,435.25

Finding the Fourth Proportional to 104,181.83, 143,770.41 and 56,435.25

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Solution

The fourth proportional to 104,181.83, 143,770.41 and 56,435.25 is: 77,880.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,181.83 : 143,770.41 = 56,435.25 : x
  2. Step 2: Convert to fraction form
    104,181.83/143,770.41 = 56,435.25/x
  3. Step 3: Cross multiply
    104,181.83x = 143,770.41 × 56,435.25
  4. Step 4: Simplify right side
    104,181.83x = 8,113,719,030.95
  5. Step 5: Solve for x
    x = 8,113,719,030.95/104,181.83
  6. Step 6: Final answer
    x = 77,880.37

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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.