Home / 82,372.83-113,686.65-52,160.91

Finding the Fourth Proportional to 82,372.83, 113,686.65 and 52,160.91

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Solution

The fourth proportional to 82,372.83, 113,686.65 and 52,160.91 is: 71,989.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,372.83 : 113,686.65 = 52,160.91 : x
  2. Step 2: Convert to fraction form
    82,372.83/113,686.65 = 52,160.91/x
  3. Step 3: Cross multiply
    82,372.83x = 113,686.65 × 52,160.91
  4. Step 4: Simplify right side
    82,372.83x = 5,929,999,118.85
  5. Step 5: Solve for x
    x = 5,929,999,118.85/82,372.83
  6. Step 6: Final answer
    x = 71,989.75

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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.