Home / 115,979.58-173,969.37-53,641.98

Finding the Fourth Proportional to 115,979.58, 173,969.37 and 53,641.98

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Solution

The fourth proportional to 115,979.58, 173,969.37 and 53,641.98 is: 80,462.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,979.58 : 173,969.37 = 53,641.98 : x
  2. Step 2: Convert to fraction form
    115,979.58/173,969.37 = 53,641.98/x
  3. Step 3: Cross multiply
    115,979.58x = 173,969.37 × 53,641.98
  4. Step 4: Simplify right side
    115,979.58x = 9,332,061,466.15
  5. Step 5: Solve for x
    x = 9,332,061,466.15/115,979.58
  6. Step 6: Final answer
    x = 80,462.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.