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Finding the Fourth Proportional to 73,923.53, 110,894.52 and 28,939.08

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Solution

The fourth proportional to 73,923.53, 110,894.52 and 28,939.08 is: 43,412.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,923.53 : 110,894.52 = 28,939.08 : x
  2. Step 2: Convert to fraction form
    73,923.53/110,894.52 = 28,939.08/x
  3. Step 3: Cross multiply
    73,923.53x = 110,894.52 × 28,939.08
  4. Step 4: Simplify right side
    73,923.53x = 3,209,185,042.33
  5. Step 5: Solve for x
    x = 3,209,185,042.33/73,923.53
  6. Step 6: Final answer
    x = 43,412.23

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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.