Home / 53,787.38-80,681.27-16,851.38

Finding the Fourth Proportional to 53,787.38, 80,681.27 and 16,851.38

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Solution

The fourth proportional to 53,787.38, 80,681.27 and 16,851.38 is: 25,277.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,787.38 : 80,681.27 = 16,851.38 : x
  2. Step 2: Convert to fraction form
    53,787.38/80,681.27 = 16,851.38/x
  3. Step 3: Cross multiply
    53,787.38x = 80,681.27 × 16,851.38
  4. Step 4: Simplify right side
    53,787.38x = 1,359,590,251.99
  5. Step 5: Solve for x
    x = 1,359,590,251.99/53,787.38
  6. Step 6: Final answer
    x = 25,277.13

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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.