Home / 89,027.12-122,858.88-48,740.21

Finding the Fourth Proportional to 89,027.12, 122,858.88 and 48,740.21

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Solution

The fourth proportional to 89,027.12, 122,858.88 and 48,740.21 is: 67,262.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,027.12 : 122,858.88 = 48,740.21 : x
  2. Step 2: Convert to fraction form
    89,027.12/122,858.88 = 48,740.21/x
  3. Step 3: Cross multiply
    89,027.12x = 122,858.88 × 48,740.21
  4. Step 4: Simplify right side
    89,027.12x = 5,988,167,611.56
  5. Step 5: Solve for x
    x = 5,988,167,611.56/89,027.12
  6. Step 6: Final answer
    x = 67,262.29

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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.