Home / 88,351.64-121,928.62-50,633.18

Finding the Fourth Proportional to 88,351.64, 121,928.62 and 50,633.18

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Solution

The fourth proportional to 88,351.64, 121,928.62 and 50,633.18 is: 69,875.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,351.64 : 121,928.62 = 50,633.18 : x
  2. Step 2: Convert to fraction form
    88,351.64/121,928.62 = 50,633.18/x
  3. Step 3: Cross multiply
    88,351.64x = 121,928.62 × 50,633.18
  4. Step 4: Simplify right side
    88,351.64x = 6,173,633,763.61
  5. Step 5: Solve for x
    x = 6,173,633,763.61/88,351.64
  6. Step 6: Final answer
    x = 69,875.71

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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.