Home / 104,179.83-143,767.65-56,433.25

Finding the Fourth Proportional to 104,179.83, 143,767.65 and 56,433.25

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Solution

The fourth proportional to 104,179.83, 143,767.65 and 56,433.25 is: 77,877.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,179.83 : 143,767.65 = 56,433.25 : x
  2. Step 2: Convert to fraction form
    104,179.83/143,767.65 = 56,433.25/x
  3. Step 3: Cross multiply
    104,179.83x = 143,767.65 × 56,433.25
  4. Step 4: Simplify right side
    104,179.83x = 8,113,275,734.36
  5. Step 5: Solve for x
    x = 8,113,275,734.36/104,179.83
  6. Step 6: Final answer
    x = 77,877.61

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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.