Home / 89,494.02-123,504.92-49,210.86

Finding the Fourth Proportional to 89,494.02, 123,504.92 and 49,210.86

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Solution

The fourth proportional to 89,494.02, 123,504.92 and 49,210.86 is: 67,912.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,494.02 : 123,504.92 = 49,210.86 : x
  2. Step 2: Convert to fraction form
    89,494.02/123,504.92 = 49,210.86/x
  3. Step 3: Cross multiply
    89,494.02x = 123,504.92 × 49,210.86
  4. Step 4: Simplify right side
    89,494.02x = 6,077,783,729.06
  5. Step 5: Solve for x
    x = 6,077,783,729.06/89,494.02
  6. Step 6: Final answer
    x = 67,912.74

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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.