Home / 89,284.41-123,205.77-48,991.64

Finding the Fourth Proportional to 89,284.41, 123,205.77 and 48,991.64

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Solution

The fourth proportional to 89,284.41, 123,205.77 and 48,991.64 is: 67,604.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,284.41 : 123,205.77 = 48,991.64 : x
  2. Step 2: Convert to fraction form
    89,284.41/123,205.77 = 48,991.64/x
  3. Step 3: Cross multiply
    89,284.41x = 123,205.77 × 48,991.64
  4. Step 4: Simplify right side
    89,284.41x = 6,036,052,113.73
  5. Step 5: Solve for x
    x = 6,036,052,113.73/89,284.41
  6. Step 6: Final answer
    x = 67,604.77

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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.