Home / 49,964.92-74,945.59-12,525.30

Finding the Fourth Proportional to 49,964.92, 74,945.59 and 12,525.30

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Solution

The fourth proportional to 49,964.92, 74,945.59 and 12,525.30 is: 18,787.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,964.92 : 74,945.59 = 12,525.30 : x
  2. Step 2: Convert to fraction form
    49,964.92/74,945.59 = 12,525.30/x
  3. Step 3: Cross multiply
    49,964.92x = 74,945.59 × 12,525.30
  4. Step 4: Simplify right side
    49,964.92x = 938,715,561.07
  5. Step 5: Solve for x
    x = 938,715,561.07/49,964.92
  6. Step 6: Final answer
    x = 18,787.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.