Home / 83,736.58-115,562.91-47,937.82

Finding the Fourth Proportional to 83,736.58, 115,562.91 and 47,937.82

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Solution

The fourth proportional to 83,736.58, 115,562.91 and 47,937.82 is: 66,157.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,736.58 : 115,562.91 = 47,937.82 : x
  2. Step 2: Convert to fraction form
    83,736.58/115,562.91 = 47,937.82/x
  3. Step 3: Cross multiply
    83,736.58x = 115,562.91 × 47,937.82
  4. Step 4: Simplify right side
    83,736.58x = 5,539,833,978.26
  5. Step 5: Solve for x
    x = 5,539,833,978.26/83,736.58
  6. Step 6: Final answer
    x = 66,157.87

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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.