Home / 57,023.75-78,691.14-31,529.67

Finding the Fourth Proportional to 57,023.75, 78,691.14 and 31,529.67

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Solution

The fourth proportional to 57,023.75, 78,691.14 and 31,529.67 is: 43,510.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,023.75 : 78,691.14 = 31,529.67 : x
  2. Step 2: Convert to fraction form
    57,023.75/78,691.14 = 31,529.67/x
  3. Step 3: Cross multiply
    57,023.75x = 78,691.14 × 31,529.67
  4. Step 4: Simplify right side
    57,023.75x = 2,481,105,676.12
  5. Step 5: Solve for x
    x = 2,481,105,676.12/57,023.75
  6. Step 6: Final answer
    x = 43,510.04

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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.