Home / 88,105.93-121,584.04-50,377.75

Finding the Fourth Proportional to 88,105.93, 121,584.04 and 50,377.75

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Solution

The fourth proportional to 88,105.93, 121,584.04 and 50,377.75 is: 69,520.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,105.93 : 121,584.04 = 50,377.75 : x
  2. Step 2: Convert to fraction form
    88,105.93/121,584.04 = 50,377.75/x
  3. Step 3: Cross multiply
    88,105.93x = 121,584.04 × 50,377.75
  4. Step 4: Simplify right side
    88,105.93x = 6,125,130,371.11
  5. Step 5: Solve for x
    x = 6,125,130,371.11/88,105.93
  6. Step 6: Final answer
    x = 69,520.07

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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.