Home / 108,561.09-149,811.62-60,814.11

Finding the Fourth Proportional to 108,561.09, 149,811.62 and 60,814.11

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Solution

The fourth proportional to 108,561.09, 149,811.62 and 60,814.11 is: 83,921.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,561.09 : 149,811.62 = 60,814.11 : x
  2. Step 2: Convert to fraction form
    108,561.09/149,811.62 = 60,814.11/x
  3. Step 3: Cross multiply
    108,561.09x = 149,811.62 × 60,814.11
  4. Step 4: Simplify right side
    108,561.09x = 9,110,660,033.89
  5. Step 5: Solve for x
    x = 9,110,660,033.89/108,561.09
  6. Step 6: Final answer
    x = 83,921.97

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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.