Home / 75,622.60-113,452.59-31,262.05

Finding the Fourth Proportional to 75,622.60, 113,452.59 and 31,262.05

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Solution

The fourth proportional to 75,622.60, 113,452.59 and 31,262.05 is: 46,900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,622.60 : 113,452.59 = 31,262.05 : x
  2. Step 2: Convert to fraction form
    75,622.60/113,452.59 = 31,262.05/x
  3. Step 3: Cross multiply
    75,622.60x = 113,452.59 × 31,262.05
  4. Step 4: Simplify right side
    75,622.60x = 3,546,760,541.21
  5. Step 5: Solve for x
    x = 3,546,760,541.21/75,622.60
  6. Step 6: Final answer
    x = 46,900.80

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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.