Home / 53,962.92-80,938.31-14,523.21

Finding the Fourth Proportional to 53,962.92, 80,938.31 and 14,523.21

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Solution

The fourth proportional to 53,962.92, 80,938.31 and 14,523.21 is: 21,783.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,962.92 : 80,938.31 = 14,523.21 : x
  2. Step 2: Convert to fraction form
    53,962.92/80,938.31 = 14,523.21/x
  3. Step 3: Cross multiply
    53,962.92x = 80,938.31 × 14,523.21
  4. Step 4: Simplify right side
    53,962.92x = 1,175,484,000.56
  5. Step 5: Solve for x
    x = 1,175,484,000.56/53,962.92
  6. Step 6: Final answer
    x = 21,783.18

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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.