Home / 54,176.61-74,770.04-31,516.56

Finding the Fourth Proportional to 54,176.61, 74,770.04 and 31,516.56

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Solution

The fourth proportional to 54,176.61, 74,770.04 and 31,516.56 is: 43,496.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,176.61 : 74,770.04 = 31,516.56 : x
  2. Step 2: Convert to fraction form
    54,176.61/74,770.04 = 31,516.56/x
  3. Step 3: Cross multiply
    54,176.61x = 74,770.04 × 31,516.56
  4. Step 4: Simplify right side
    54,176.61x = 2,356,494,205.84
  5. Step 5: Solve for x
    x = 2,356,494,205.84/54,176.61
  6. Step 6: Final answer
    x = 43,496.52

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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.