Home / 75,812.88-113,627.07-53,632.65

Finding the Fourth Proportional to 75,812.88, 113,627.07 and 53,632.65

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Solution

The fourth proportional to 75,812.88, 113,627.07 and 53,632.65 is: 80,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,812.88 : 113,627.07 = 53,632.65 : x
  2. Step 2: Convert to fraction form
    75,812.88/113,627.07 = 53,632.65/x
  3. Step 3: Cross multiply
    75,812.88x = 113,627.07 × 53,632.65
  4. Step 4: Simplify right side
    75,812.88x = 6,094,120,875.84
  5. Step 5: Solve for x
    x = 6,094,120,875.84/75,812.88
  6. Step 6: Final answer
    x = 80,383.71

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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.