Home / 74,425.44-102,706.68-40,433.66

Finding the Fourth Proportional to 74,425.44, 102,706.68 and 40,433.66

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Solution

The fourth proportional to 74,425.44, 102,706.68 and 40,433.66 is: 55,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,425.44 : 102,706.68 = 40,433.66 : x
  2. Step 2: Convert to fraction form
    74,425.44/102,706.68 = 40,433.66/x
  3. Step 3: Cross multiply
    74,425.44x = 102,706.68 × 40,433.66
  4. Step 4: Simplify right side
    74,425.44x = 4,152,806,978.85
  5. Step 5: Solve for x
    x = 4,152,806,978.85/74,425.44
  6. Step 6: Final answer
    x = 55,798.22

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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.