Home / 104,643.46-156,964.83-28,742.07

Finding the Fourth Proportional to 104,643.46, 156,964.83 and 28,742.07

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Solution

The fourth proportional to 104,643.46, 156,964.83 and 28,742.07 is: 43,113.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,643.46 : 156,964.83 = 28,742.07 : x
  2. Step 2: Convert to fraction form
    104,643.46/156,964.83 = 28,742.07/x
  3. Step 3: Cross multiply
    104,643.46x = 156,964.83 × 28,742.07
  4. Step 4: Simplify right side
    104,643.46x = 4,511,494,131.40
  5. Step 5: Solve for x
    x = 4,511,494,131.40/104,643.46
  6. Step 6: Final answer
    x = 43,113.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.