Home / 108,134.51-149,186.03-67,833.56

Finding the Fourth Proportional to 108,134.51, 149,186.03 and 67,833.56

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Solution

The fourth proportional to 108,134.51, 149,186.03 and 67,833.56 is: 93,585.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,134.51 : 149,186.03 = 67,833.56 : x
  2. Step 2: Convert to fraction form
    108,134.51/149,186.03 = 67,833.56/x
  3. Step 3: Cross multiply
    108,134.51x = 149,186.03 × 67,833.56
  4. Step 4: Simplify right side
    108,134.51x = 10,119,819,550.96
  5. Step 5: Solve for x
    x = 10,119,819,550.96/108,134.51
  6. Step 6: Final answer
    x = 93,585.48

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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.