Home / 54,713.10-82,069.63-42,251.30

Finding the Fourth Proportional to 54,713.10, 82,069.63 and 42,251.30

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Solution

The fourth proportional to 54,713.10, 82,069.63 and 42,251.30 is: 63,376.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,713.10 : 82,069.63 = 42,251.30 : x
  2. Step 2: Convert to fraction form
    54,713.10/82,069.63 = 42,251.30/x
  3. Step 3: Cross multiply
    54,713.10x = 82,069.63 × 42,251.30
  4. Step 4: Simplify right side
    54,713.10x = 3,467,548,558.02
  5. Step 5: Solve for x
    x = 3,467,548,558.02/54,713.10
  6. Step 6: Final answer
    x = 63,376.93

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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.