Home / 97,975.38-146,948.48-31,408.60

Finding the Fourth Proportional to 97,975.38, 146,948.48 and 31,408.60

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Solution

The fourth proportional to 97,975.38, 146,948.48 and 31,408.60 is: 47,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,975.38 : 146,948.48 = 31,408.60 : x
  2. Step 2: Convert to fraction form
    97,975.38/146,948.48 = 31,408.60/x
  3. Step 3: Cross multiply
    97,975.38x = 146,948.48 × 31,408.60
  4. Step 4: Simplify right side
    97,975.38x = 4,615,446,028.93
  5. Step 5: Solve for x
    x = 4,615,446,028.93/97,975.38
  6. Step 6: Final answer
    x = 47,108.22

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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.