Home / 54,326.81-74,954.50-34,203.78

Finding the Fourth Proportional to 54,326.81, 74,954.50 and 34,203.78

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Solution

The fourth proportional to 54,326.81, 74,954.50 and 34,203.78 is: 47,190.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,326.81 : 74,954.50 = 34,203.78 : x
  2. Step 2: Convert to fraction form
    54,326.81/74,954.50 = 34,203.78/x
  3. Step 3: Cross multiply
    54,326.81x = 74,954.50 × 34,203.78
  4. Step 4: Simplify right side
    54,326.81x = 2,563,727,142.50
  5. Step 5: Solve for x
    x = 2,563,727,142.50/54,326.81
  6. Step 6: Final answer
    x = 47,190.83

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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.