Home / 53,010.30-73,158.88-29,141.60

Finding the Fourth Proportional to 53,010.30, 73,158.88 and 29,141.60

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Solution

The fourth proportional to 53,010.30, 73,158.88 and 29,141.60 is: 40,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,010.30 : 73,158.88 = 29,141.60 : x
  2. Step 2: Convert to fraction form
    53,010.30/73,158.88 = 29,141.60/x
  3. Step 3: Cross multiply
    53,010.30x = 73,158.88 × 29,141.60
  4. Step 4: Simplify right side
    53,010.30x = 2,131,966,817.41
  5. Step 5: Solve for x
    x = 2,131,966,817.41/53,010.30
  6. Step 6: Final answer
    x = 40,217.97

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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.