Home / 75,022.76-112,409.19-52,789.43

Finding the Fourth Proportional to 75,022.76, 112,409.19 and 52,789.43

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Solution

The fourth proportional to 75,022.76, 112,409.19 and 52,789.43 is: 79,096.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,022.76 : 112,409.19 = 52,789.43 : x
  2. Step 2: Convert to fraction form
    75,022.76/112,409.19 = 52,789.43/x
  3. Step 3: Cross multiply
    75,022.76x = 112,409.19 × 52,789.43
  4. Step 4: Simplify right side
    75,022.76x = 5,934,017,066.86
  5. Step 5: Solve for x
    x = 5,934,017,066.86/75,022.76
  6. Step 6: Final answer
    x = 79,096.22

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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.