Home / 58,629.29-80,908.70-31,771.76

Finding the Fourth Proportional to 58,629.29, 80,908.70 and 31,771.76

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Solution

The fourth proportional to 58,629.29, 80,908.70 and 31,771.76 is: 43,845.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,629.29 : 80,908.70 = 31,771.76 : x
  2. Step 2: Convert to fraction form
    58,629.29/80,908.70 = 31,771.76/x
  3. Step 3: Cross multiply
    58,629.29x = 80,908.70 × 31,771.76
  4. Step 4: Simplify right side
    58,629.29x = 2,570,611,234.91
  5. Step 5: Solve for x
    x = 2,570,611,234.91/58,629.29
  6. Step 6: Final answer
    x = 43,845.17

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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.