Home / 56,748.53-78,312.21-31,598.03

Finding the Fourth Proportional to 56,748.53, 78,312.21 and 31,598.03

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Solution

The fourth proportional to 56,748.53, 78,312.21 and 31,598.03 is: 43,604.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,748.53 : 78,312.21 = 31,598.03 : x
  2. Step 2: Convert to fraction form
    56,748.53/78,312.21 = 31,598.03/x
  3. Step 3: Cross multiply
    56,748.53x = 78,312.21 × 31,598.03
  4. Step 4: Simplify right side
    56,748.53x = 2,474,511,560.95
  5. Step 5: Solve for x
    x = 2,474,511,560.95/56,748.53
  6. Step 6: Final answer
    x = 43,604.86

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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.