Home / 88,247.46-121,782.27-47,961.21

Finding the Fourth Proportional to 88,247.46, 121,782.27 and 47,961.21

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Solution

The fourth proportional to 88,247.46, 121,782.27 and 47,961.21 is: 66,186.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,247.46 : 121,782.27 = 47,961.21 : x
  2. Step 2: Convert to fraction form
    88,247.46/121,782.27 = 47,961.21/x
  3. Step 3: Cross multiply
    88,247.46x = 121,782.27 × 47,961.21
  4. Step 4: Simplify right side
    88,247.46x = 5,840,825,025.75
  5. Step 5: Solve for x
    x = 5,840,825,025.75/88,247.46
  6. Step 6: Final answer
    x = 66,186.89

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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.