Home / 49,702.43-68,591.24-28,485.79

Finding the Fourth Proportional to 49,702.43, 68,591.24 and 28,485.79

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Solution

The fourth proportional to 49,702.43, 68,591.24 and 28,485.79 is: 39,311.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,702.43 : 68,591.24 = 28,485.79 : x
  2. Step 2: Convert to fraction form
    49,702.43/68,591.24 = 28,485.79/x
  3. Step 3: Cross multiply
    49,702.43x = 68,591.24 × 28,485.79
  4. Step 4: Simplify right side
    49,702.43x = 1,953,875,658.48
  5. Step 5: Solve for x
    x = 1,953,875,658.48/49,702.43
  6. Step 6: Final answer
    x = 39,311.47

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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.