Home / 98,631.48-137,029.68-97,450.52

Finding the Fourth Proportional to 98,631.48, 137,029.68 and 97,450.52

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Solution

The fourth proportional to 98,631.48, 137,029.68 and 97,450.52 is: 135,388.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,631.48 : 137,029.68 = 97,450.52 : x
  2. Step 2: Convert to fraction form
    98,631.48/137,029.68 = 97,450.52/x
  3. Step 3: Cross multiply
    98,631.48x = 137,029.68 × 97,450.52
  4. Step 4: Simplify right side
    98,631.48x = 13,353,613,571.43
  5. Step 5: Solve for x
    x = 13,353,613,571.43/98,631.48
  6. Step 6: Final answer
    x = 135,388.96

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.