Home / 53,948.94-80,935.02-20,668.98

Finding the Fourth Proportional to 53,948.94, 80,935.02 and 20,668.98

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Solution

The fourth proportional to 53,948.94, 80,935.02 and 20,668.98 is: 31,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,948.94 : 80,935.02 = 20,668.98 : x
  2. Step 2: Convert to fraction form
    53,948.94/80,935.02 = 20,668.98/x
  3. Step 3: Cross multiply
    53,948.94x = 80,935.02 × 20,668.98
  4. Step 4: Simplify right side
    53,948.94x = 1,672,844,309.68
  5. Step 5: Solve for x
    x = 1,672,844,309.68/53,948.94
  6. Step 6: Final answer
    x = 31,007.92

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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.