Home / 52,153.72-78,230.22-12,709.96

Finding the Fourth Proportional to 52,153.72, 78,230.22 and 12,709.96

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Solution

The fourth proportional to 52,153.72, 78,230.22 and 12,709.96 is: 19,064.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,153.72 : 78,230.22 = 12,709.96 : x
  2. Step 2: Convert to fraction form
    52,153.72/78,230.22 = 12,709.96/x
  3. Step 3: Cross multiply
    52,153.72x = 78,230.22 × 12,709.96
  4. Step 4: Simplify right side
    52,153.72x = 994,302,966.99
  5. Step 5: Solve for x
    x = 994,302,966.99/52,153.72
  6. Step 6: Final answer
    x = 19,064.85

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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.