Home / 104,074.29-143,622.89-56,327.63

Finding the Fourth Proportional to 104,074.29, 143,622.89 and 56,327.63

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Solution

The fourth proportional to 104,074.29, 143,622.89 and 56,327.63 is: 77,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,074.29 : 143,622.89 = 56,327.63 : x
  2. Step 2: Convert to fraction form
    104,074.29/143,622.89 = 56,327.63/x
  3. Step 3: Cross multiply
    104,074.29x = 143,622.89 × 56,327.63
  4. Step 4: Simplify right side
    104,074.29x = 8,089,936,007.70
  5. Step 5: Solve for x
    x = 8,089,936,007.70/104,074.29
  6. Step 6: Final answer
    x = 77,732.32

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1.5x scale

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.