Home / 84,167.52-116,149.64-47,875.60

Finding the Fourth Proportional to 84,167.52, 116,149.64 and 47,875.60

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Solution

The fourth proportional to 84,167.52, 116,149.64 and 47,875.60 is: 66,067.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,167.52 : 116,149.64 = 47,875.60 : x
  2. Step 2: Convert to fraction form
    84,167.52/116,149.64 = 47,875.60/x
  3. Step 3: Cross multiply
    84,167.52x = 116,149.64 × 47,875.60
  4. Step 4: Simplify right side
    84,167.52x = 5,560,733,704.78
  5. Step 5: Solve for x
    x = 5,560,733,704.78/84,167.52
  6. Step 6: Final answer
    x = 66,067.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.