Home / 75,771.30-113,632.36-35,784.10

Finding the Fourth Proportional to 75,771.30, 113,632.36 and 35,784.10

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Solution

The fourth proportional to 75,771.30, 113,632.36 and 35,784.10 is: 53,664.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,771.30 : 113,632.36 = 35,784.10 : x
  2. Step 2: Convert to fraction form
    75,771.30/113,632.36 = 35,784.10/x
  3. Step 3: Cross multiply
    75,771.30x = 113,632.36 × 35,784.10
  4. Step 4: Simplify right side
    75,771.30x = 4,066,231,733.48
  5. Step 5: Solve for x
    x = 4,066,231,733.48/75,771.30
  6. Step 6: Final answer
    x = 53,664.54

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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.