Home / 88,165.49-121,667.94-47,879.24

Finding the Fourth Proportional to 88,165.49, 121,667.94 and 47,879.24

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Solution

The fourth proportional to 88,165.49, 121,667.94 and 47,879.24 is: 66,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,165.49 : 121,667.94 = 47,879.24 : x
  2. Step 2: Convert to fraction form
    88,165.49/121,667.94 = 47,879.24/x
  3. Step 3: Cross multiply
    88,165.49x = 121,667.94 × 47,879.24
  4. Step 4: Simplify right side
    88,165.49x = 5,825,368,202.52
  5. Step 5: Solve for x
    x = 5,825,368,202.52/88,165.49
  6. Step 6: Final answer
    x = 66,073.11

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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.