Home / 52,047.50-78,046.85-18,763.16

Finding the Fourth Proportional to 52,047.50, 78,046.85 and 18,763.16

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Solution

The fourth proportional to 52,047.50, 78,046.85 and 18,763.16 is: 28,135.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,047.50 : 78,046.85 = 18,763.16 : x
  2. Step 2: Convert to fraction form
    52,047.50/78,046.85 = 18,763.16/x
  3. Step 3: Cross multiply
    52,047.50x = 78,046.85 × 18,763.16
  4. Step 4: Simplify right side
    52,047.50x = 1,464,405,190.72
  5. Step 5: Solve for x
    x = 1,464,405,190.72/52,047.50
  6. Step 6: Final answer
    x = 28,135.94

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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.