Home / 75,821.64-113,739.75-23,221.86

Finding the Fourth Proportional to 75,821.64, 113,739.75 and 23,221.86

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Solution

The fourth proportional to 75,821.64, 113,739.75 and 23,221.86 is: 34,835.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,821.64 : 113,739.75 = 23,221.86 : x
  2. Step 2: Convert to fraction form
    75,821.64/113,739.75 = 23,221.86/x
  3. Step 3: Cross multiply
    75,821.64x = 113,739.75 × 23,221.86
  4. Step 4: Simplify right side
    75,821.64x = 2,641,248,550.94
  5. Step 5: Solve for x
    x = 2,641,248,550.94/75,821.64
  6. Step 6: Final answer
    x = 34,835.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.