Home / 73,926.20-102,018.48-40,392.20

Finding the Fourth Proportional to 73,926.20, 102,018.48 and 40,392.20

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Solution

The fourth proportional to 73,926.20, 102,018.48 and 40,392.20 is: 55,741.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,926.20 : 102,018.48 = 40,392.20 : x
  2. Step 2: Convert to fraction form
    73,926.20/102,018.48 = 40,392.20/x
  3. Step 3: Cross multiply
    73,926.20x = 102,018.48 × 40,392.20
  4. Step 4: Simplify right side
    73,926.20x = 4,120,750,847.86
  5. Step 5: Solve for x
    x = 4,120,750,847.86/73,926.20
  6. Step 6: Final answer
    x = 55,741.41

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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.