Home / 74,278.62-102,504.63-40,744.86

Finding the Fourth Proportional to 74,278.62, 102,504.63 and 40,744.86

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Solution

The fourth proportional to 74,278.62, 102,504.63 and 40,744.86 is: 56,227.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,278.62 : 102,504.63 = 40,744.86 : x
  2. Step 2: Convert to fraction form
    74,278.62/102,504.63 = 40,744.86/x
  3. Step 3: Cross multiply
    74,278.62x = 102,504.63 × 40,744.86
  4. Step 4: Simplify right side
    74,278.62x = 4,176,536,798.70
  5. Step 5: Solve for x
    x = 4,176,536,798.70/74,278.62
  6. Step 6: Final answer
    x = 56,227.98

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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.