Home / 83,513.41-115,253.22-49,542.01

Finding the Fourth Proportional to 83,513.41, 115,253.22 and 49,542.01

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Solution

The fourth proportional to 83,513.41, 115,253.22 and 49,542.01 is: 68,370.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,513.41 : 115,253.22 = 49,542.01 : x
  2. Step 2: Convert to fraction form
    83,513.41/115,253.22 = 49,542.01/x
  3. Step 3: Cross multiply
    83,513.41x = 115,253.22 × 49,542.01
  4. Step 4: Simplify right side
    83,513.41x = 5,709,876,177.77
  5. Step 5: Solve for x
    x = 5,709,876,177.77/83,513.41
  6. Step 6: Final answer
    x = 68,370.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.