Home / 89,836.63-123,975.11-49,551.46

Finding the Fourth Proportional to 89,836.63, 123,975.11 and 49,551.46

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Solution

The fourth proportional to 89,836.63, 123,975.11 and 49,551.46 is: 68,381.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,836.63 : 123,975.11 = 49,551.46 : x
  2. Step 2: Convert to fraction form
    89,836.63/123,975.11 = 49,551.46/x
  3. Step 3: Cross multiply
    89,836.63x = 123,975.11 × 49,551.46
  4. Step 4: Simplify right side
    89,836.63x = 6,143,146,836.53
  5. Step 5: Solve for x
    x = 6,143,146,836.53/89,836.63
  6. Step 6: Final answer
    x = 68,381.32

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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.