Home / 89,555.94-123,587.19-49,268.84

Finding the Fourth Proportional to 89,555.94, 123,587.19 and 49,268.84

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Solution

The fourth proportional to 89,555.94, 123,587.19 and 49,268.84 is: 67,990.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,555.94 : 123,587.19 = 49,268.84 : x
  2. Step 2: Convert to fraction form
    89,555.94/123,587.19 = 49,268.84/x
  3. Step 3: Cross multiply
    89,555.94x = 123,587.19 × 49,268.84
  4. Step 4: Simplify right side
    89,555.94x = 6,088,996,872.22
  5. Step 5: Solve for x
    x = 6,088,996,872.22/89,555.94
  6. Step 6: Final answer
    x = 67,990.99

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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.