Home / 82,910.91-114,435.53-52,690.34

Finding the Fourth Proportional to 82,910.91, 114,435.53 and 52,690.34

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Solution

The fourth proportional to 82,910.91, 114,435.53 and 52,690.34 is: 72,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,910.91 : 114,435.53 = 52,690.34 : x
  2. Step 2: Convert to fraction form
    82,910.91/114,435.53 = 52,690.34/x
  3. Step 3: Cross multiply
    82,910.91x = 114,435.53 × 52,690.34
  4. Step 4: Simplify right side
    82,910.91x = 6,029,646,148.15
  5. Step 5: Solve for x
    x = 6,029,646,148.15/82,910.91
  6. Step 6: Final answer
    x = 72,724.40

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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.