Home / 49,979.70-68,973.83-27,320.20

Finding the Fourth Proportional to 49,979.70, 68,973.83 and 27,320.20

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Solution

The fourth proportional to 49,979.70, 68,973.83 and 27,320.20 is: 37,702.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,979.70 : 68,973.83 = 27,320.20 : x
  2. Step 2: Convert to fraction form
    49,979.70/68,973.83 = 27,320.20/x
  3. Step 3: Cross multiply
    49,979.70x = 68,973.83 × 27,320.20
  4. Step 4: Simplify right side
    49,979.70x = 1,884,379,011.76
  5. Step 5: Solve for x
    x = 1,884,379,011.76/49,979.70
  6. Step 6: Final answer
    x = 37,702.89

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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.