Home / 58,821.94-81,172.64-31,963.56

Finding the Fourth Proportional to 58,821.94, 81,172.64 and 31,963.56

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Solution

The fourth proportional to 58,821.94, 81,172.64 and 31,963.56 is: 44,108.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,821.94 : 81,172.64 = 31,963.56 : x
  2. Step 2: Convert to fraction form
    58,821.94/81,172.64 = 31,963.56/x
  3. Step 3: Cross multiply
    58,821.94x = 81,172.64 × 31,963.56
  4. Step 4: Simplify right side
    58,821.94x = 2,594,566,536.64
  5. Step 5: Solve for x
    x = 2,594,566,536.64/58,821.94
  6. Step 6: Final answer
    x = 44,108.82

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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.