Home / 54,185.28-74,743.20-34,313.28

Finding the Fourth Proportional to 54,185.28, 74,743.20 and 34,313.28

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Solution

The fourth proportional to 54,185.28, 74,743.20 and 34,313.28 is: 47,331.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,185.28 : 74,743.20 = 34,313.28 : x
  2. Step 2: Convert to fraction form
    54,185.28/74,743.20 = 34,313.28/x
  3. Step 3: Cross multiply
    54,185.28x = 74,743.20 × 34,313.28
  4. Step 4: Simplify right side
    54,185.28x = 2,564,684,349.70
  5. Step 5: Solve for x
    x = 2,564,684,349.70/54,185.28
  6. Step 6: Final answer
    x = 47,331.75

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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.