Home / 82,351.55-113,603.41-52,085.90

Finding the Fourth Proportional to 82,351.55, 113,603.41 and 52,085.90

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Solution

The fourth proportional to 82,351.55, 113,603.41 and 52,085.90 is: 71,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,351.55 : 113,603.41 = 52,085.90 : x
  2. Step 2: Convert to fraction form
    82,351.55/113,603.41 = 52,085.90/x
  3. Step 3: Cross multiply
    82,351.55x = 113,603.41 × 52,085.90
  4. Step 4: Simplify right side
    82,351.55x = 5,917,136,202.03
  5. Step 5: Solve for x
    x = 5,917,136,202.03/82,351.55
  6. Step 6: Final answer
    x = 71,852.15

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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.