Home / 108,450.81-149,662.09-60,704.16

Finding the Fourth Proportional to 108,450.81, 149,662.09 and 60,704.16

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Solution

The fourth proportional to 108,450.81, 149,662.09 and 60,704.16 is: 83,771.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,450.81 : 149,662.09 = 60,704.16 : x
  2. Step 2: Convert to fraction form
    108,450.81/149,662.09 = 60,704.16/x
  3. Step 3: Cross multiply
    108,450.81x = 149,662.09 × 60,704.16
  4. Step 4: Simplify right side
    108,450.81x = 9,085,111,457.29
  5. Step 5: Solve for x
    x = 9,085,111,457.29/108,450.81
  6. Step 6: Final answer
    x = 83,771.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.