Home / 75,369.56-103,994.54-43,102.36

Finding the Fourth Proportional to 75,369.56, 103,994.54 and 43,102.36

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Solution

The fourth proportional to 75,369.56, 103,994.54 and 43,102.36 is: 59,472.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,369.56 : 103,994.54 = 43,102.36 : x
  2. Step 2: Convert to fraction form
    75,369.56/103,994.54 = 43,102.36/x
  3. Step 3: Cross multiply
    75,369.56x = 103,994.54 × 43,102.36
  4. Step 4: Simplify right side
    75,369.56x = 4,482,410,101.11
  5. Step 5: Solve for x
    x = 4,482,410,101.11/75,369.56
  6. Step 6: Final answer
    x = 59,472.42

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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.