Home / 102,647.36-141,667.44-60,219.56

Finding the Fourth Proportional to 102,647.36, 141,667.44 and 60,219.56

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Solution

The fourth proportional to 102,647.36, 141,667.44 and 60,219.56 is: 83,111.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,647.36 : 141,667.44 = 60,219.56 : x
  2. Step 2: Convert to fraction form
    102,647.36/141,667.44 = 60,219.56/x
  3. Step 3: Cross multiply
    102,647.36x = 141,667.44 × 60,219.56
  4. Step 4: Simplify right side
    102,647.36x = 8,531,150,903.13
  5. Step 5: Solve for x
    x = 8,531,150,903.13/102,647.36
  6. Step 6: Final answer
    x = 83,111.25

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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.