Home / 76,287.72-114,436.62-26,372.64

Finding the Fourth Proportional to 76,287.72, 114,436.62 and 26,372.64

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Solution

The fourth proportional to 76,287.72, 114,436.62 and 26,372.64 is: 39,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,287.72 : 114,436.62 = 26,372.64 : x
  2. Step 2: Convert to fraction form
    76,287.72/114,436.62 = 26,372.64/x
  3. Step 3: Cross multiply
    76,287.72x = 114,436.62 × 26,372.64
  4. Step 4: Simplify right side
    76,287.72x = 3,017,995,782.08
  5. Step 5: Solve for x
    x = 3,017,995,782.08/76,287.72
  6. Step 6: Final answer
    x = 39,560.70

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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.