Home / 108,684.58-149,976.46-60,928.87

Finding the Fourth Proportional to 108,684.58, 149,976.46 and 60,928.87

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Solution

The fourth proportional to 108,684.58, 149,976.46 and 60,928.87 is: 84,077.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,684.58 : 149,976.46 = 60,928.87 : x
  2. Step 2: Convert to fraction form
    108,684.58/149,976.46 = 60,928.87/x
  3. Step 3: Cross multiply
    108,684.58x = 149,976.46 × 60,928.87
  4. Step 4: Simplify right side
    108,684.58x = 9,137,896,234.40
  5. Step 5: Solve for x
    x = 9,137,896,234.40/108,684.58
  6. Step 6: Final answer
    x = 84,077.21

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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.