Home / 54,932.10-82,434.60-31,239.60

Finding the Fourth Proportional to 54,932.10, 82,434.60 and 31,239.60

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Solution

The fourth proportional to 54,932.10, 82,434.60 and 31,239.60 is: 46,880.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,932.10 : 82,434.60 = 31,239.60 : x
  2. Step 2: Convert to fraction form
    54,932.10/82,434.60 = 31,239.60/x
  3. Step 3: Cross multiply
    54,932.10x = 82,434.60 × 31,239.60
  4. Step 4: Simplify right side
    54,932.10x = 2,575,223,930.16
  5. Step 5: Solve for x
    x = 2,575,223,930.16/54,932.10
  6. Step 6: Final answer
    x = 46,880.13

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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.