Home / 53,154.72-79,680.24-25,472.16

Finding the Fourth Proportional to 53,154.72, 79,680.24 and 25,472.16

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Solution

The fourth proportional to 53,154.72, 79,680.24 and 25,472.16 is: 38,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,154.72 : 79,680.24 = 25,472.16 : x
  2. Step 2: Convert to fraction form
    53,154.72/79,680.24 = 25,472.16/x
  3. Step 3: Cross multiply
    53,154.72x = 79,680.24 × 25,472.16
  4. Step 4: Simplify right side
    53,154.72x = 2,029,627,822.12
  5. Step 5: Solve for x
    x = 2,029,627,822.12/53,154.72
  6. Step 6: Final answer
    x = 38,183.40

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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.