Home / 54,740.25-82,135.08-31,366.71

Finding the Fourth Proportional to 54,740.25, 82,135.08 and 31,366.71

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Solution

The fourth proportional to 54,740.25, 82,135.08 and 31,366.71 is: 47,064.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,740.25 : 82,135.08 = 31,366.71 : x
  2. Step 2: Convert to fraction form
    54,740.25/82,135.08 = 31,366.71/x
  3. Step 3: Cross multiply
    54,740.25x = 82,135.08 × 31,366.71
  4. Step 4: Simplify right side
    54,740.25x = 2,576,307,235.19
  5. Step 5: Solve for x
    x = 2,576,307,235.19/54,740.25
  6. Step 6: Final answer
    x = 47,064.22

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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.