Home / 53,672.72-74,076.84-51,310.16

Finding the Fourth Proportional to 53,672.72, 74,076.84 and 51,310.16

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Solution

The fourth proportional to 53,672.72, 74,076.84 and 51,310.16 is: 70,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,672.72 : 74,076.84 = 51,310.16 : x
  2. Step 2: Convert to fraction form
    53,672.72/74,076.84 = 51,310.16/x
  3. Step 3: Cross multiply
    53,672.72x = 74,076.84 × 51,310.16
  4. Step 4: Simplify right side
    53,672.72x = 3,800,894,512.69
  5. Step 5: Solve for x
    x = 3,800,894,512.69/53,672.72
  6. Step 6: Final answer
    x = 70,816.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.