Home / 54,213.91-81,271.65-40,156.97

Finding the Fourth Proportional to 54,213.91, 81,271.65 and 40,156.97

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Solution

The fourth proportional to 54,213.91, 81,271.65 and 40,156.97 is: 60,199.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,213.91 : 81,271.65 = 40,156.97 : x
  2. Step 2: Convert to fraction form
    54,213.91/81,271.65 = 40,156.97/x
  3. Step 3: Cross multiply
    54,213.91x = 81,271.65 × 40,156.97
  4. Step 4: Simplify right side
    54,213.91x = 3,263,622,955.13
  5. Step 5: Solve for x
    x = 3,263,622,955.13/54,213.91
  6. Step 6: Final answer
    x = 60,199.00

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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.