Home / 52,289.20-78,435.64-16,751.60

Finding the Fourth Proportional to 52,289.20, 78,435.64 and 16,751.60

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Solution

The fourth proportional to 52,289.20, 78,435.64 and 16,751.60 is: 25,127.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,289.20 : 78,435.64 = 16,751.60 : x
  2. Step 2: Convert to fraction form
    52,289.20/78,435.64 = 16,751.60/x
  3. Step 3: Cross multiply
    52,289.20x = 78,435.64 × 16,751.60
  4. Step 4: Simplify right side
    52,289.20x = 1,313,922,389.92
  5. Step 5: Solve for x
    x = 1,313,922,389.92/52,289.20
  6. Step 6: Final answer
    x = 25,127.99

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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.