Home / 104,621.22-144,330.66-69,705.36

Finding the Fourth Proportional to 104,621.22, 144,330.66 and 69,705.36

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Solution

The fourth proportional to 104,621.22, 144,330.66 and 69,705.36 is: 96,162.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,621.22 : 144,330.66 = 69,705.36 : x
  2. Step 2: Convert to fraction form
    104,621.22/144,330.66 = 69,705.36/x
  3. Step 3: Cross multiply
    104,621.22x = 144,330.66 × 69,705.36
  4. Step 4: Simplify right side
    104,621.22x = 10,060,620,614.34
  5. Step 5: Solve for x
    x = 10,060,620,614.34/104,621.22
  6. Step 6: Final answer
    x = 96,162.33

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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.