Home / 54,337.28-81,501.44-38,476.80

Finding the Fourth Proportional to 54,337.28, 81,501.44 and 38,476.80

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Solution

The fourth proportional to 54,337.28, 81,501.44 and 38,476.80 is: 57,712.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,337.28 : 81,501.44 = 38,476.80 : x
  2. Step 2: Convert to fraction form
    54,337.28/81,501.44 = 38,476.80/x
  3. Step 3: Cross multiply
    54,337.28x = 81,501.44 × 38,476.80
  4. Step 4: Simplify right side
    54,337.28x = 3,135,914,606.59
  5. Step 5: Solve for x
    x = 3,135,914,606.59/54,337.28
  6. Step 6: Final answer
    x = 57,712.03

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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.