Home / 88,885.15-122,674.04-54,450.43

Finding the Fourth Proportional to 88,885.15, 122,674.04 and 54,450.43

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Solution

The fourth proportional to 88,885.15, 122,674.04 and 54,450.43 is: 75,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,885.15 : 122,674.04 = 54,450.43 : x
  2. Step 2: Convert to fraction form
    88,885.15/122,674.04 = 54,450.43/x
  3. Step 3: Cross multiply
    88,885.15x = 122,674.04 × 54,450.43
  4. Step 4: Simplify right side
    88,885.15x = 6,679,654,227.84
  5. Step 5: Solve for x
    x = 6,679,654,227.84/88,885.15
  6. Step 6: Final answer
    x = 75,149.27

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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.