Home / 97,653.09-146,478.57-74,105.25

Finding the Fourth Proportional to 97,653.09, 146,478.57 and 74,105.25

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Solution

The fourth proportional to 97,653.09, 146,478.57 and 74,105.25 is: 111,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,653.09 : 146,478.57 = 74,105.25 : x
  2. Step 2: Convert to fraction form
    97,653.09/146,478.57 = 74,105.25/x
  3. Step 3: Cross multiply
    97,653.09x = 146,478.57 × 74,105.25
  4. Step 4: Simplify right side
    97,653.09x = 10,854,831,049.49
  5. Step 5: Solve for x
    x = 10,854,831,049.49/97,653.09
  6. Step 6: Final answer
    x = 111,157.07

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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.