Home / 72,923.43-109,375.93-28,581.33

Finding the Fourth Proportional to 72,923.43, 109,375.93 and 28,581.33

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Solution

The fourth proportional to 72,923.43, 109,375.93 and 28,581.33 is: 42,868.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,923.43 : 109,375.93 = 28,581.33 : x
  2. Step 2: Convert to fraction form
    72,923.43/109,375.93 = 28,581.33/x
  3. Step 3: Cross multiply
    72,923.43x = 109,375.93 × 28,581.33
  4. Step 4: Simplify right side
    72,923.43x = 3,126,109,549.39
  5. Step 5: Solve for x
    x = 3,126,109,549.39/72,923.43
  6. Step 6: Final answer
    x = 42,868.38

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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.