Home / 89,245.35-123,157.53-48,959.42

Finding the Fourth Proportional to 89,245.35, 123,157.53 and 48,959.42

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Solution

The fourth proportional to 89,245.35, 123,157.53 and 48,959.42 is: 67,563.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,245.35 : 123,157.53 = 48,959.42 : x
  2. Step 2: Convert to fraction form
    89,245.35/123,157.53 = 48,959.42/x
  3. Step 3: Cross multiply
    89,245.35x = 123,157.53 × 48,959.42
  4. Step 4: Simplify right side
    89,245.35x = 6,029,720,621.64
  5. Step 5: Solve for x
    x = 6,029,720,621.64/89,245.35
  6. Step 6: Final answer
    x = 67,563.42

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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.