Home / 57,383.65-79,188.35-31,889.82

Finding the Fourth Proportional to 57,383.65, 79,188.35 and 31,889.82

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Solution

The fourth proportional to 57,383.65, 79,188.35 and 31,889.82 is: 44,007.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,383.65 : 79,188.35 = 31,889.82 : x
  2. Step 2: Convert to fraction form
    57,383.65/79,188.35 = 31,889.82/x
  3. Step 3: Cross multiply
    57,383.65x = 79,188.35 × 31,889.82
  4. Step 4: Simplify right side
    57,383.65x = 2,525,302,227.60
  5. Step 5: Solve for x
    x = 2,525,302,227.60/57,383.65
  6. Step 6: Final answer
    x = 44,007.35

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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.