Home / 53,156.27-79,734.49-49,908.58

Finding the Fourth Proportional to 53,156.27, 79,734.49 and 49,908.58

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Solution

The fourth proportional to 53,156.27, 79,734.49 and 49,908.58 is: 74,862.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,156.27 : 79,734.49 = 49,908.58 : x
  2. Step 2: Convert to fraction form
    53,156.27/79,734.49 = 49,908.58/x
  3. Step 3: Cross multiply
    53,156.27x = 79,734.49 × 49,908.58
  4. Step 4: Simplify right side
    53,156.27x = 3,979,435,172.92
  5. Step 5: Solve for x
    x = 3,979,435,172.92/53,156.27
  6. Step 6: Final answer
    x = 74,862.95

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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.