Home / 105,477.34-158,144.73-55,504.39

Finding the Fourth Proportional to 105,477.34, 158,144.73 and 55,504.39

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Solution

The fourth proportional to 105,477.34, 158,144.73 and 55,504.39 is: 83,219.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,477.34 : 158,144.73 = 55,504.39 : x
  2. Step 2: Convert to fraction form
    105,477.34/158,144.73 = 55,504.39/x
  3. Step 3: Cross multiply
    105,477.34x = 158,144.73 × 55,504.39
  4. Step 4: Simplify right side
    105,477.34x = 8,777,726,770.36
  5. Step 5: Solve for x
    x = 8,777,726,770.36/105,477.34
  6. Step 6: Final answer
    x = 83,219.08

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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.