Home / 89,208.86-123,108.39-48,922.92

Finding the Fourth Proportional to 89,208.86, 123,108.39 and 48,922.92

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Solution

The fourth proportional to 89,208.86, 123,108.39 and 48,922.92 is: 67,513.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,208.86 : 123,108.39 = 48,922.92 : x
  2. Step 2: Convert to fraction form
    89,208.86/123,108.39 = 48,922.92/x
  3. Step 3: Cross multiply
    89,208.86x = 123,108.39 × 48,922.92
  4. Step 4: Simplify right side
    89,208.86x = 6,022,821,915.30
  5. Step 5: Solve for x
    x = 6,022,821,915.30/89,208.86
  6. Step 6: Final answer
    x = 67,513.72

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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.