Home / 52,050.30-78,078.30-16,509.05

Finding the Fourth Proportional to 52,050.30, 78,078.30 and 16,509.05

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Solution

The fourth proportional to 52,050.30, 78,078.30 and 16,509.05 is: 24,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,050.30 : 78,078.30 = 16,509.05 : x
  2. Step 2: Convert to fraction form
    52,050.30/78,078.30 = 16,509.05/x
  3. Step 3: Cross multiply
    52,050.30x = 78,078.30 × 16,509.05
  4. Step 4: Simplify right side
    52,050.30x = 1,288,998,399.11
  5. Step 5: Solve for x
    x = 1,288,998,399.11/52,050.30
  6. Step 6: Final answer
    x = 24,764.48

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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.