Home / 74,245.41-102,458.34-40,253.79

Finding the Fourth Proportional to 74,245.41, 102,458.34 and 40,253.79

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Solution

The fourth proportional to 74,245.41, 102,458.34 and 40,253.79 is: 55,550.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,245.41 : 102,458.34 = 40,253.79 : x
  2. Step 2: Convert to fraction form
    74,245.41/102,458.34 = 40,253.79/x
  3. Step 3: Cross multiply
    74,245.41x = 102,458.34 × 40,253.79
  4. Step 4: Simplify right side
    74,245.41x = 4,124,336,502.11
  5. Step 5: Solve for x
    x = 4,124,336,502.11/74,245.41
  6. Step 6: Final answer
    x = 55,550.05

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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.