Home / 103,662.37-143,054.67-58,341.25

Finding the Fourth Proportional to 103,662.37, 143,054.67 and 58,341.25

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Solution

The fourth proportional to 103,662.37, 143,054.67 and 58,341.25 is: 80,511.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,662.37 : 143,054.67 = 58,341.25 : x
  2. Step 2: Convert to fraction form
    103,662.37/143,054.67 = 58,341.25/x
  3. Step 3: Cross multiply
    103,662.37x = 143,054.67 × 58,341.25
  4. Step 4: Simplify right side
    103,662.37x = 8,345,988,266.14
  5. Step 5: Solve for x
    x = 8,345,988,266.14/103,662.37
  6. Step 6: Final answer
    x = 80,511.26

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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.