Home / 45,586.88-68,354.67-31,372.06

Finding the Fourth Proportional to 45,586.88, 68,354.67 and 31,372.06

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Solution

The fourth proportional to 45,586.88, 68,354.67 and 31,372.06 is: 47,040.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,586.88 : 68,354.67 = 31,372.06 : x
  2. Step 2: Convert to fraction form
    45,586.88/68,354.67 = 31,372.06/x
  3. Step 3: Cross multiply
    45,586.88x = 68,354.67 × 31,372.06
  4. Step 4: Simplify right side
    45,586.88x = 2,144,426,466.75
  5. Step 5: Solve for x
    x = 2,144,426,466.75/45,586.88
  6. Step 6: Final answer
    x = 47,040.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.