Home / 56,737.20-78,299.46-31,244.67

Finding the Fourth Proportional to 56,737.20, 78,299.46 and 31,244.67

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Solution

The fourth proportional to 56,737.20, 78,299.46 and 31,244.67 is: 43,118.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,737.20 : 78,299.46 = 31,244.67 : x
  2. Step 2: Convert to fraction form
    56,737.20/78,299.46 = 31,244.67/x
  3. Step 3: Cross multiply
    56,737.20x = 78,299.46 × 31,244.67
  4. Step 4: Simplify right side
    56,737.20x = 2,446,440,788.88
  5. Step 5: Solve for x
    x = 2,446,440,788.88/56,737.20
  6. Step 6: Final answer
    x = 43,118.81

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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.