Home / 47,957.27-71,930.43-12,899.66

Finding the Fourth Proportional to 47,957.27, 71,930.43 and 12,899.66

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Solution

The fourth proportional to 47,957.27, 71,930.43 and 12,899.66 is: 19,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,957.27 : 71,930.43 = 12,899.66 : x
  2. Step 2: Convert to fraction form
    47,957.27/71,930.43 = 12,899.66/x
  3. Step 3: Cross multiply
    47,957.27x = 71,930.43 × 12,899.66
  4. Step 4: Simplify right side
    47,957.27x = 927,877,731.00
  5. Step 5: Solve for x
    x = 927,877,731.00/47,957.27
  6. Step 6: Final answer
    x = 19,348.01

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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.