Home / 74,226.50-102,429.82-40,234.26

Finding the Fourth Proportional to 74,226.50, 102,429.82 and 40,234.26

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Solution

The fourth proportional to 74,226.50, 102,429.82 and 40,234.26 is: 55,521.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,226.50 : 102,429.82 = 40,234.26 : x
  2. Step 2: Convert to fraction form
    74,226.50/102,429.82 = 40,234.26/x
  3. Step 3: Cross multiply
    74,226.50x = 102,429.82 × 40,234.26
  4. Step 4: Simplify right side
    74,226.50x = 4,121,188,009.63
  5. Step 5: Solve for x
    x = 4,121,188,009.63/74,226.50
  6. Step 6: Final answer
    x = 55,521.79

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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.