Home / 108,081.18-149,154.54-67,796.64

Finding the Fourth Proportional to 108,081.18, 149,154.54 and 67,796.64

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Solution

The fourth proportional to 108,081.18, 149,154.54 and 67,796.64 is: 93,560.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,081.18 : 149,154.54 = 67,796.64 : x
  2. Step 2: Convert to fraction form
    108,081.18/149,154.54 = 67,796.64/x
  3. Step 3: Cross multiply
    108,081.18x = 149,154.54 × 67,796.64
  4. Step 4: Simplify right side
    108,081.18x = 10,112,176,652.75
  5. Step 5: Solve for x
    x = 10,112,176,652.75/108,081.18
  6. Step 6: Final answer
    x = 93,560.94

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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.