Home / 74,623.08-111,934.50-51,178.44

Finding the Fourth Proportional to 74,623.08, 111,934.50 and 51,178.44

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Solution

The fourth proportional to 74,623.08, 111,934.50 and 51,178.44 is: 76,767.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,623.08 : 111,934.50 = 51,178.44 : x
  2. Step 2: Convert to fraction form
    74,623.08/111,934.50 = 51,178.44/x
  3. Step 3: Cross multiply
    74,623.08x = 111,934.50 × 51,178.44
  4. Step 4: Simplify right side
    74,623.08x = 5,728,633,092.18
  5. Step 5: Solve for x
    x = 5,728,633,092.18/74,623.08
  6. Step 6: Final answer
    x = 76,767.58

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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.