Home / 56,984.49-78,638.53-31,833.99

Finding the Fourth Proportional to 56,984.49, 78,638.53 and 31,833.99

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Solution

The fourth proportional to 56,984.49, 78,638.53 and 31,833.99 is: 43,930.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,984.49 : 78,638.53 = 31,833.99 : x
  2. Step 2: Convert to fraction form
    56,984.49/78,638.53 = 31,833.99/x
  3. Step 3: Cross multiply
    56,984.49x = 78,638.53 × 31,833.99
  4. Step 4: Simplify right side
    56,984.49x = 2,503,378,452.63
  5. Step 5: Solve for x
    x = 2,503,378,452.63/56,984.49
  6. Step 6: Final answer
    x = 43,930.87

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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.