Home / 97,736.72-146,544.60-66,477.20

Finding the Fourth Proportional to 97,736.72, 146,544.60 and 66,477.20

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Solution

The fourth proportional to 97,736.72, 146,544.60 and 66,477.20 is: 99,674.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,736.72 : 146,544.60 = 66,477.20 : x
  2. Step 2: Convert to fraction form
    97,736.72/146,544.60 = 66,477.20/x
  3. Step 3: Cross multiply
    97,736.72x = 146,544.60 × 66,477.20
  4. Step 4: Simplify right side
    97,736.72x = 9,741,874,683.12
  5. Step 5: Solve for x
    x = 9,741,874,683.12/97,736.72
  6. Step 6: Final answer
    x = 99,674.66

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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.