Home / 52,037.76-78,060-18,299.64

Finding the Fourth Proportional to 52,037.76, 78,060 and 18,299.64

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Solution

The fourth proportional to 52,037.76, 78,060 and 18,299.64 is: 27,450.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,037.76 : 78,060 = 18,299.64 : x
  2. Step 2: Convert to fraction form
    52,037.76/78,060 = 18,299.64/x
  3. Step 3: Cross multiply
    52,037.76x = 78,060 × 18,299.64
  4. Step 4: Simplify right side
    52,037.76x = 1,428,469,898.40
  5. Step 5: Solve for x
    x = 1,428,469,898.40/52,037.76
  6. Step 6: Final answer
    x = 27,450.64

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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.