Home / 88,683.50-122,383.30-66,041.98

Finding the Fourth Proportional to 88,683.50, 122,383.30 and 66,041.98

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Solution

The fourth proportional to 88,683.50, 122,383.30 and 66,041.98 is: 91,137.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,683.50 : 122,383.30 = 66,041.98 : x
  2. Step 2: Convert to fraction form
    88,683.50/122,383.30 = 66,041.98/x
  3. Step 3: Cross multiply
    88,683.50x = 122,383.30 × 66,041.98
  4. Step 4: Simplify right side
    88,683.50x = 8,082,435,450.93
  5. Step 5: Solve for x
    x = 8,082,435,450.93/88,683.50
  6. Step 6: Final answer
    x = 91,137.98

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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.