Home / 52,096.34-78,163.24-20,488.89

Finding the Fourth Proportional to 52,096.34, 78,163.24 and 20,488.89

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Solution

The fourth proportional to 52,096.34, 78,163.24 and 20,488.89 is: 30,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,096.34 : 78,163.24 = 20,488.89 : x
  2. Step 2: Convert to fraction form
    52,096.34/78,163.24 = 20,488.89/x
  3. Step 3: Cross multiply
    52,096.34x = 78,163.24 × 20,488.89
  4. Step 4: Simplify right side
    52,096.34x = 1,601,478,026.40
  5. Step 5: Solve for x
    x = 1,601,478,026.40/52,096.34
  6. Step 6: Final answer
    x = 30,740.70

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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.