Home / 71,921.43-99,234.32-46,422.41

Finding the Fourth Proportional to 71,921.43, 99,234.32 and 46,422.41

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Solution

The fourth proportional to 71,921.43, 99,234.32 and 46,422.41 is: 64,051.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,921.43 : 99,234.32 = 46,422.41 : x
  2. Step 2: Convert to fraction form
    71,921.43/99,234.32 = 46,422.41/x
  3. Step 3: Cross multiply
    71,921.43x = 99,234.32 × 46,422.41
  4. Step 4: Simplify right side
    71,921.43x = 4,606,695,560.83
  5. Step 5: Solve for x
    x = 4,606,695,560.83/71,921.43
  6. Step 6: Final answer
    x = 64,051.78

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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.