Home / 49,549.58-74,324.08-12,109.85

Finding the Fourth Proportional to 49,549.58, 74,324.08 and 12,109.85

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Solution

The fourth proportional to 49,549.58, 74,324.08 and 12,109.85 is: 18,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,549.58 : 74,324.08 = 12,109.85 : x
  2. Step 2: Convert to fraction form
    49,549.58/74,324.08 = 12,109.85/x
  3. Step 3: Cross multiply
    49,549.58x = 74,324.08 × 12,109.85
  4. Step 4: Simplify right side
    49,549.58x = 900,053,460.19
  5. Step 5: Solve for x
    x = 900,053,460.19/49,549.58
  6. Step 6: Final answer
    x = 18,164.70

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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.