Home / 89,165.68-123,048.36-48,881.12

Finding the Fourth Proportional to 89,165.68, 123,048.36 and 48,881.12

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Solution

The fourth proportional to 89,165.68, 123,048.36 and 48,881.12 is: 67,455.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,165.68 : 123,048.36 = 48,881.12 : x
  2. Step 2: Convert to fraction form
    89,165.68/123,048.36 = 48,881.12/x
  3. Step 3: Cross multiply
    89,165.68x = 123,048.36 × 48,881.12
  4. Step 4: Simplify right side
    89,165.68x = 6,014,741,650.96
  5. Step 5: Solve for x
    x = 6,014,741,650.96/89,165.68
  6. Step 6: Final answer
    x = 67,455.79

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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.