Home / 115,743.70-173,673.15-45,625.30

Finding the Fourth Proportional to 115,743.70, 173,673.15 and 45,625.30

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Solution

The fourth proportional to 115,743.70, 173,673.15 and 45,625.30 is: 68,460.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,743.70 : 173,673.15 = 45,625.30 : x
  2. Step 2: Convert to fraction form
    115,743.70/173,673.15 = 45,625.30/x
  3. Step 3: Cross multiply
    115,743.70x = 173,673.15 × 45,625.30
  4. Step 4: Simplify right side
    115,743.70x = 7,923,889,570.70
  5. Step 5: Solve for x
    x = 7,923,889,570.70/115,743.70
  6. Step 6: Final answer
    x = 68,460.66

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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.