Home / 58,063.20-87,107.10-18,648

Finding the Fourth Proportional to 58,063.20, 87,107.10 and 18,648

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Solution

The fourth proportional to 58,063.20, 87,107.10 and 18,648 is: 27,975.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,063.20 : 87,107.10 = 18,648 : x
  2. Step 2: Convert to fraction form
    58,063.20/87,107.10 = 18,648/x
  3. Step 3: Cross multiply
    58,063.20x = 87,107.10 × 18,648
  4. Step 4: Simplify right side
    58,063.20x = 1,624,373,200.80
  5. Step 5: Solve for x
    x = 1,624,373,200.80/58,063.20
  6. Step 6: Final answer
    x = 27,975.95

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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.