Home / 89,474.40-123,477.04-49,189.18

Finding the Fourth Proportional to 89,474.40, 123,477.04 and 49,189.18

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Solution

The fourth proportional to 89,474.40, 123,477.04 and 49,189.18 is: 67,882.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,474.40 : 123,477.04 = 49,189.18 : x
  2. Step 2: Convert to fraction form
    89,474.40/123,477.04 = 49,189.18/x
  3. Step 3: Cross multiply
    89,474.40x = 123,477.04 × 49,189.18
  4. Step 4: Simplify right side
    89,474.40x = 6,073,734,316.31
  5. Step 5: Solve for x
    x = 6,073,734,316.31/89,474.40
  6. Step 6: Final answer
    x = 67,882.37

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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.