Home / 104,179.93-143,767.80-56,433.38

Finding the Fourth Proportional to 104,179.93, 143,767.80 and 56,433.38

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Solution

The fourth proportional to 104,179.93, 143,767.80 and 56,433.38 is: 77,877.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,179.93 : 143,767.80 = 56,433.38 : x
  2. Step 2: Convert to fraction form
    104,179.93/143,767.80 = 56,433.38/x
  3. Step 3: Cross multiply
    104,179.93x = 143,767.80 × 56,433.38
  4. Step 4: Simplify right side
    104,179.93x = 8,113,302,170.33
  5. Step 5: Solve for x
    x = 8,113,302,170.33/104,179.93
  6. Step 6: Final answer
    x = 77,877.79

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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.