Home / 82,799.94-114,149.13-55,899.84

Finding the Fourth Proportional to 82,799.94, 114,149.13 and 55,899.84

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Solution

The fourth proportional to 82,799.94, 114,149.13 and 55,899.84 is: 77,064.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,799.94 : 114,149.13 = 55,899.84 : x
  2. Step 2: Convert to fraction form
    82,799.94/114,149.13 = 55,899.84/x
  3. Step 3: Cross multiply
    82,799.94x = 114,149.13 × 55,899.84
  4. Step 4: Simplify right side
    82,799.94x = 6,380,918,321.57
  5. Step 5: Solve for x
    x = 6,380,918,321.57/82,799.94
  6. Step 6: Final answer
    x = 77,064.28

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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.