Home / 74,167.32-102,274.20-51,531.96

Finding the Fourth Proportional to 74,167.32, 102,274.20 and 51,531.96

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Solution

The fourth proportional to 74,167.32, 102,274.20 and 51,531.96 is: 71,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,167.32 : 102,274.20 = 51,531.96 : x
  2. Step 2: Convert to fraction form
    74,167.32/102,274.20 = 51,531.96/x
  3. Step 3: Cross multiply
    74,167.32x = 102,274.20 × 51,531.96
  4. Step 4: Simplify right side
    74,167.32x = 5,270,389,983.43
  5. Step 5: Solve for x
    x = 5,270,389,983.43/74,167.32
  6. Step 6: Final answer
    x = 71,060.81

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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.