Home / 58,758.08-81,086.20-31,900.57

Finding the Fourth Proportional to 58,758.08, 81,086.20 and 31,900.57

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Solution

The fourth proportional to 58,758.08, 81,086.20 and 31,900.57 is: 44,022.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,758.08 : 81,086.20 = 31,900.57 : x
  2. Step 2: Convert to fraction form
    58,758.08/81,086.20 = 31,900.57/x
  3. Step 3: Cross multiply
    58,758.08x = 81,086.20 × 31,900.57
  4. Step 4: Simplify right side
    58,758.08x = 2,586,695,716.67
  5. Step 5: Solve for x
    x = 2,586,695,716.67/58,758.08
  6. Step 6: Final answer
    x = 44,022.81

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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.