Home / 82,543.64-113,920.29-48,550.50

Finding the Fourth Proportional to 82,543.64, 113,920.29 and 48,550.50

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Solution

The fourth proportional to 82,543.64, 113,920.29 and 48,550.50 is: 67,005.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,543.64 : 113,920.29 = 48,550.50 : x
  2. Step 2: Convert to fraction form
    82,543.64/113,920.29 = 48,550.50/x
  3. Step 3: Cross multiply
    82,543.64x = 113,920.29 × 48,550.50
  4. Step 4: Simplify right side
    82,543.64x = 5,530,887,039.65
  5. Step 5: Solve for x
    x = 5,530,887,039.65/82,543.64
  6. Step 6: Final answer
    x = 67,005.62

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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.