Home / 74,424.62-102,704.73-40,433.63

Finding the Fourth Proportional to 74,424.62, 102,704.73 and 40,433.63

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Solution

The fourth proportional to 74,424.62, 102,704.73 and 40,433.63 is: 55,797.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,424.62 : 102,704.73 = 40,433.63 : x
  2. Step 2: Convert to fraction form
    74,424.62/102,704.73 = 40,433.63/x
  3. Step 3: Cross multiply
    74,424.62x = 102,704.73 × 40,433.63
  4. Step 4: Simplify right side
    74,424.62x = 4,152,725,305.79
  5. Step 5: Solve for x
    x = 4,152,725,305.79/74,424.62
  6. Step 6: Final answer
    x = 55,797.73

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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.