Home / 74,582.37-111,771.29-39,451.86

Finding the Fourth Proportional to 74,582.37, 111,771.29 and 39,451.86

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Solution

The fourth proportional to 74,582.37, 111,771.29 and 39,451.86 is: 59,123.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,582.37 : 111,771.29 = 39,451.86 : x
  2. Step 2: Convert to fraction form
    74,582.37/111,771.29 = 39,451.86/x
  3. Step 3: Cross multiply
    74,582.37x = 111,771.29 × 39,451.86
  4. Step 4: Simplify right side
    74,582.37x = 4,409,585,383.73
  5. Step 5: Solve for x
    x = 4,409,585,383.73/74,582.37
  6. Step 6: Final answer
    x = 59,123.70

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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.