Home / 104,629.44-144,389.84-56,881.72

Finding the Fourth Proportional to 104,629.44, 144,389.84 and 56,881.72

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Solution

The fourth proportional to 104,629.44, 144,389.84 and 56,881.72 is: 78,497.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,629.44 : 144,389.84 = 56,881.72 : x
  2. Step 2: Convert to fraction form
    104,629.44/144,389.84 = 56,881.72/x
  3. Step 3: Cross multiply
    104,629.44x = 144,389.84 × 56,881.72
  4. Step 4: Simplify right side
    104,629.44x = 8,213,142,449.72
  5. Step 5: Solve for x
    x = 8,213,142,449.72/104,629.44
  6. Step 6: Final answer
    x = 78,497.43

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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.