Home / 82,261.12-113,520-46,450.72

Finding the Fourth Proportional to 82,261.12, 113,520 and 46,450.72

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Solution

The fourth proportional to 82,261.12, 113,520 and 46,450.72 is: 64,101.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,261.12 : 113,520 = 46,450.72 : x
  2. Step 2: Convert to fraction form
    82,261.12/113,520 = 46,450.72/x
  3. Step 3: Cross multiply
    82,261.12x = 113,520 × 46,450.72
  4. Step 4: Simplify right side
    82,261.12x = 5,273,085,734.40
  5. Step 5: Solve for x
    x = 5,273,085,734.40/82,261.12
  6. Step 6: Final answer
    x = 64,101.80

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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.