Home / 49,554.23-74,330.69-12,114.63

Finding the Fourth Proportional to 49,554.23, 74,330.69 and 12,114.63

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Solution

The fourth proportional to 49,554.23, 74,330.69 and 12,114.63 is: 18,171.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,554.23 : 74,330.69 = 12,114.63 : x
  2. Step 2: Convert to fraction form
    49,554.23/74,330.69 = 12,114.63/x
  3. Step 3: Cross multiply
    49,554.23x = 74,330.69 × 12,114.63
  4. Step 4: Simplify right side
    49,554.23x = 900,488,806.99
  5. Step 5: Solve for x
    x = 900,488,806.99/49,554.23
  6. Step 6: Final answer
    x = 18,171.78

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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.