Home / 83,539.26-115,273.55-47,731.59

Finding the Fourth Proportional to 83,539.26, 115,273.55 and 47,731.59

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Solution

The fourth proportional to 83,539.26, 115,273.55 and 47,731.59 is: 65,863.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,539.26 : 115,273.55 = 47,731.59 : x
  2. Step 2: Convert to fraction form
    83,539.26/115,273.55 = 47,731.59/x
  3. Step 3: Cross multiply
    83,539.26x = 115,273.55 × 47,731.59
  4. Step 4: Simplify right side
    83,539.26x = 5,502,189,945.77
  5. Step 5: Solve for x
    x = 5,502,189,945.77/83,539.26
  6. Step 6: Final answer
    x = 65,863.52

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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.