Home / 82,531.65-113,920.77-48,538.65

Finding the Fourth Proportional to 82,531.65, 113,920.77 and 48,538.65

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Solution

The fourth proportional to 82,531.65, 113,920.77 and 48,538.65 is: 66,999.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,531.65 : 113,920.77 = 48,538.65 : x
  2. Step 2: Convert to fraction form
    82,531.65/113,920.77 = 48,538.65/x
  3. Step 3: Cross multiply
    82,531.65x = 113,920.77 × 48,538.65
  4. Step 4: Simplify right side
    82,531.65x = 5,529,560,382.76
  5. Step 5: Solve for x
    x = 5,529,560,382.76/82,531.65
  6. Step 6: Final answer
    x = 66,999.27

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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.