Home / 75,162.78-112,743.36-22,570.02

Finding the Fourth Proportional to 75,162.78, 112,743.36 and 22,570.02

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Solution

The fourth proportional to 75,162.78, 112,743.36 and 22,570.02 is: 33,854.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,162.78 : 112,743.36 = 22,570.02 : x
  2. Step 2: Convert to fraction form
    75,162.78/112,743.36 = 22,570.02/x
  3. Step 3: Cross multiply
    75,162.78x = 112,743.36 × 22,570.02
  4. Step 4: Simplify right side
    75,162.78x = 2,544,619,890.07
  5. Step 5: Solve for x
    x = 2,544,619,890.07/75,162.78
  6. Step 6: Final answer
    x = 33,854.79

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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.