Home / 55,284.27-82,860.80-31,862.31

Finding the Fourth Proportional to 55,284.27, 82,860.80 and 31,862.31

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Solution

The fourth proportional to 55,284.27, 82,860.80 and 31,862.31 is: 47,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,284.27 : 82,860.80 = 31,862.31 : x
  2. Step 2: Convert to fraction form
    55,284.27/82,860.80 = 31,862.31/x
  3. Step 3: Cross multiply
    55,284.27x = 82,860.80 × 31,862.31
  4. Step 4: Simplify right side
    55,284.27x = 2,640,136,337.14
  5. Step 5: Solve for x
    x = 2,640,136,337.14/55,284.27
  6. Step 6: Final answer
    x = 47,755.65

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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.