Home / 108,239.17-149,273.34-67,956.69

Finding the Fourth Proportional to 108,239.17, 149,273.34 and 67,956.69

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Solution

The fourth proportional to 108,239.17, 149,273.34 and 67,956.69 is: 93,719.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,239.17 : 149,273.34 = 67,956.69 : x
  2. Step 2: Convert to fraction form
    108,239.17/149,273.34 = 67,956.69/x
  3. Step 3: Cross multiply
    108,239.17x = 149,273.34 × 67,956.69
  4. Step 4: Simplify right side
    108,239.17x = 10,144,122,091.64
  5. Step 5: Solve for x
    x = 10,144,122,091.64/108,239.17
  6. Step 6: Final answer
    x = 93,719.51

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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.