Home / 52,187.27-78,285.12-14,747.64

Finding the Fourth Proportional to 52,187.27, 78,285.12 and 14,747.64

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Solution

The fourth proportional to 52,187.27, 78,285.12 and 14,747.64 is: 22,122.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,187.27 : 78,285.12 = 14,747.64 : x
  2. Step 2: Convert to fraction form
    52,187.27/78,285.12 = 14,747.64/x
  3. Step 3: Cross multiply
    52,187.27x = 78,285.12 × 14,747.64
  4. Step 4: Simplify right side
    52,187.27x = 1,154,520,767.12
  5. Step 5: Solve for x
    x = 1,154,520,767.12/52,187.27
  6. Step 6: Final answer
    x = 22,122.65

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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.