Home / 57,317.14-79,100.13-31,823.51

Finding the Fourth Proportional to 57,317.14, 79,100.13 and 31,823.51

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Solution

The fourth proportional to 57,317.14, 79,100.13 and 31,823.51 is: 43,917.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,317.14 : 79,100.13 = 31,823.51 : x
  2. Step 2: Convert to fraction form
    57,317.14/79,100.13 = 31,823.51/x
  3. Step 3: Cross multiply
    57,317.14x = 79,100.13 × 31,823.51
  4. Step 4: Simplify right side
    57,317.14x = 2,517,243,797.66
  5. Step 5: Solve for x
    x = 2,517,243,797.66/57,317.14
  6. Step 6: Final answer
    x = 43,917.82

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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.