Home / 97,964.58-146,942.55-31,408.05

Finding the Fourth Proportional to 97,964.58, 146,942.55 and 31,408.05

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Solution

The fourth proportional to 97,964.58, 146,942.55 and 31,408.05 is: 47,110.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,964.58 : 146,942.55 = 31,408.05 : x
  2. Step 2: Convert to fraction form
    97,964.58/146,942.55 = 31,408.05/x
  3. Step 3: Cross multiply
    97,964.58x = 146,942.55 × 31,408.05
  4. Step 4: Simplify right side
    97,964.58x = 4,615,178,957.53
  5. Step 5: Solve for x
    x = 4,615,178,957.53/97,964.58
  6. Step 6: Final answer
    x = 47,110.69

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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.