Home / 89,284.92-123,231.42-51,554.04

Finding the Fourth Proportional to 89,284.92, 123,231.42 and 51,554.04

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Solution

The fourth proportional to 89,284.92, 123,231.42 and 51,554.04 is: 71,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,284.92 : 123,231.42 = 51,554.04 : x
  2. Step 2: Convert to fraction form
    89,284.92/123,231.42 = 51,554.04/x
  3. Step 3: Cross multiply
    89,284.92x = 123,231.42 × 51,554.04
  4. Step 4: Simplify right side
    89,284.92x = 6,353,077,555.94
  5. Step 5: Solve for x
    x = 6,353,077,555.94/89,284.92
  6. Step 6: Final answer
    x = 71,155.10

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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.