Home / 50,416.43-75,649.13-31,705.28

Finding the Fourth Proportional to 50,416.43, 75,649.13 and 31,705.28

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Solution

The fourth proportional to 50,416.43, 75,649.13 and 31,705.28 is: 47,573.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,416.43 : 75,649.13 = 31,705.28 : x
  2. Step 2: Convert to fraction form
    50,416.43/75,649.13 = 31,705.28/x
  3. Step 3: Cross multiply
    50,416.43x = 75,649.13 × 31,705.28
  4. Step 4: Simplify right side
    50,416.43x = 2,398,476,311.63
  5. Step 5: Solve for x
    x = 2,398,476,311.63/50,416.43
  6. Step 6: Final answer
    x = 47,573.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.