Home / 76,582.64-105,573.25-50,697.81

Finding the Fourth Proportional to 76,582.64, 105,573.25 and 50,697.81

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Solution

The fourth proportional to 76,582.64, 105,573.25 and 50,697.81 is: 69,889.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,582.64 : 105,573.25 = 50,697.81 : x
  2. Step 2: Convert to fraction form
    76,582.64/105,573.25 = 50,697.81/x
  3. Step 3: Cross multiply
    76,582.64x = 105,573.25 × 50,697.81
  4. Step 4: Simplify right side
    76,582.64x = 5,352,333,171.44
  5. Step 5: Solve for x
    x = 5,352,333,171.44/76,582.64
  6. Step 6: Final answer
    x = 69,889.64

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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.