Home / 78,833.26-108,752.31-53,348.56

Finding the Fourth Proportional to 78,833.26, 108,752.31 and 53,348.56

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Solution

The fourth proportional to 78,833.26, 108,752.31 and 53,348.56 is: 73,595.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,833.26 : 108,752.31 = 53,348.56 : x
  2. Step 2: Convert to fraction form
    78,833.26/108,752.31 = 53,348.56/x
  3. Step 3: Cross multiply
    78,833.26x = 108,752.31 × 53,348.56
  4. Step 4: Simplify right side
    78,833.26x = 5,801,779,135.17
  5. Step 5: Solve for x
    x = 5,801,779,135.17/78,833.26
  6. Step 6: Final answer
    x = 73,595.58

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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.