Home / 89,243.64-123,157.38-48,954.80

Finding the Fourth Proportional to 89,243.64, 123,157.38 and 48,954.80

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Solution

The fourth proportional to 89,243.64, 123,157.38 and 48,954.80 is: 67,558.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,243.64 : 123,157.38 = 48,954.80 : x
  2. Step 2: Convert to fraction form
    89,243.64/123,157.38 = 48,954.80/x
  3. Step 3: Cross multiply
    89,243.64x = 123,157.38 × 48,954.80
  4. Step 4: Simplify right side
    89,243.64x = 6,029,144,906.42
  5. Step 5: Solve for x
    x = 6,029,144,906.42/89,243.64
  6. Step 6: Final answer
    x = 67,558.26

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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.