Home / 47,921.88-71,893.76-14,646.68

Finding the Fourth Proportional to 47,921.88, 71,893.76 and 14,646.68

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Solution

The fourth proportional to 47,921.88, 71,893.76 and 14,646.68 is: 21,973.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,921.88 : 71,893.76 = 14,646.68 : x
  2. Step 2: Convert to fraction form
    47,921.88/71,893.76 = 14,646.68/x
  3. Step 3: Cross multiply
    47,921.88x = 71,893.76 × 14,646.68
  4. Step 4: Simplify right side
    47,921.88x = 1,053,004,896.72
  5. Step 5: Solve for x
    x = 1,053,004,896.72/47,921.88
  6. Step 6: Final answer
    x = 21,973.36

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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.