Home / 73,926.38-102,018.34-40,392.38

Finding the Fourth Proportional to 73,926.38, 102,018.34 and 40,392.38

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Solution

The fourth proportional to 73,926.38, 102,018.34 and 40,392.38 is: 55,741.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,926.38 : 102,018.34 = 40,392.38 : x
  2. Step 2: Convert to fraction form
    73,926.38/102,018.34 = 40,392.38/x
  3. Step 3: Cross multiply
    73,926.38x = 102,018.34 × 40,392.38
  4. Step 4: Simplify right side
    73,926.38x = 4,120,763,556.25
  5. Step 5: Solve for x
    x = 4,120,763,556.25/73,926.38
  6. Step 6: Final answer
    x = 55,741.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.