Home / 88,504.21-122,016.36-85,752.37

Finding the Fourth Proportional to 88,504.21, 122,016.36 and 85,752.37

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Solution

The fourth proportional to 88,504.21, 122,016.36 and 85,752.37 is: 118,222.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,504.21 : 122,016.36 = 85,752.37 : x
  2. Step 2: Convert to fraction form
    88,504.21/122,016.36 = 85,752.37/x
  3. Step 3: Cross multiply
    88,504.21x = 122,016.36 × 85,752.37
  4. Step 4: Simplify right side
    88,504.21x = 10,463,192,048.77
  5. Step 5: Solve for x
    x = 10,463,192,048.77/88,504.21
  6. Step 6: Final answer
    x = 118,222.53

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1.5x scale

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.