Home / 77,857.92-116,733.60-27,936.90

Finding the Fourth Proportional to 77,857.92, 116,733.60 and 27,936.90

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Solution

The fourth proportional to 77,857.92, 116,733.60 and 27,936.90 is: 41,886.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,857.92 : 116,733.60 = 27,936.90 : x
  2. Step 2: Convert to fraction form
    77,857.92/116,733.60 = 27,936.90/x
  3. Step 3: Cross multiply
    77,857.92x = 116,733.60 × 27,936.90
  4. Step 4: Simplify right side
    77,857.92x = 3,261,174,909.84
  5. Step 5: Solve for x
    x = 3,261,174,909.84/77,857.92
  6. Step 6: Final answer
    x = 41,886.23

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1.5x scale

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.