Home / 51,152.24-76,728.60-17,872.16

Finding the Fourth Proportional to 51,152.24, 76,728.60 and 17,872.16

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Solution

The fourth proportional to 51,152.24, 76,728.60 and 17,872.16 is: 26,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,152.24 : 76,728.60 = 17,872.16 : x
  2. Step 2: Convert to fraction form
    51,152.24/76,728.60 = 17,872.16/x
  3. Step 3: Cross multiply
    51,152.24x = 76,728.60 × 17,872.16
  4. Step 4: Simplify right side
    51,152.24x = 1,371,305,815.78
  5. Step 5: Solve for x
    x = 1,371,305,815.78/51,152.24
  6. Step 6: Final answer
    x = 26,808.32

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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.