Home / 74,932.10-103,401.63-40,933.70

Finding the Fourth Proportional to 74,932.10, 103,401.63 and 40,933.70

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Solution

The fourth proportional to 74,932.10, 103,401.63 and 40,933.70 is: 56,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,932.10 : 103,401.63 = 40,933.70 : x
  2. Step 2: Convert to fraction form
    74,932.10/103,401.63 = 40,933.70/x
  3. Step 3: Cross multiply
    74,932.10x = 103,401.63 × 40,933.70
  4. Step 4: Simplify right side
    74,932.10x = 4,232,611,301.93
  5. Step 5: Solve for x
    x = 4,232,611,301.93/74,932.10
  6. Step 6: Final answer
    x = 56,485.96

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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.