Home / 75,260.22-112,884.42-21,222.71

Finding the Fourth Proportional to 75,260.22, 112,884.42 and 21,222.71

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Solution

The fourth proportional to 75,260.22, 112,884.42 and 21,222.71 is: 31,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,260.22 : 112,884.42 = 21,222.71 : x
  2. Step 2: Convert to fraction form
    75,260.22/112,884.42 = 21,222.71/x
  3. Step 3: Cross multiply
    75,260.22x = 112,884.42 × 21,222.71
  4. Step 4: Simplify right side
    75,260.22x = 2,395,713,670.97
  5. Step 5: Solve for x
    x = 2,395,713,670.97/75,260.22
  6. Step 6: Final answer
    x = 31,832.40

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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.