Home / 82,910.16-114,434.48-52,689.59

Finding the Fourth Proportional to 82,910.16, 114,434.48 and 52,689.59

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Solution

The fourth proportional to 82,910.16, 114,434.48 and 52,689.59 is: 72,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,910.16 : 114,434.48 = 52,689.59 : x
  2. Step 2: Convert to fraction form
    82,910.16/114,434.48 = 52,689.59/x
  3. Step 3: Cross multiply
    82,910.16x = 114,434.48 × 52,689.59
  4. Step 4: Simplify right side
    82,910.16x = 6,029,505,392.61
  5. Step 5: Solve for x
    x = 6,029,505,392.61/82,910.16
  6. Step 6: Final answer
    x = 72,723.36

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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.