Home / 89,147.20-123,022.36-48,860.16

Finding the Fourth Proportional to 89,147.20, 123,022.36 and 48,860.16

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Solution

The fourth proportional to 89,147.20, 123,022.36 and 48,860.16 is: 67,426.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,147.20 : 123,022.36 = 48,860.16 : x
  2. Step 2: Convert to fraction form
    89,147.20/123,022.36 = 48,860.16/x
  3. Step 3: Cross multiply
    89,147.20x = 123,022.36 × 48,860.16
  4. Step 4: Simplify right side
    89,147.20x = 6,010,892,193.18
  5. Step 5: Solve for x
    x = 6,010,892,193.18/89,147.20
  6. Step 6: Final answer
    x = 67,426.60

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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.