Home / 82,520.10-113,878.08-46,717.02

Finding the Fourth Proportional to 82,520.10, 113,878.08 and 46,717.02

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Solution

The fourth proportional to 82,520.10, 113,878.08 and 46,717.02 is: 64,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,520.10 : 113,878.08 = 46,717.02 : x
  2. Step 2: Convert to fraction form
    82,520.10/113,878.08 = 46,717.02/x
  3. Step 3: Cross multiply
    82,520.10x = 113,878.08 × 46,717.02
  4. Step 4: Simplify right side
    82,520.10x = 5,320,044,540.92
  5. Step 5: Solve for x
    x = 5,320,044,540.92/82,520.10
  6. Step 6: Final answer
    x = 64,469.68

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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.