Home / 82,077.12-113,202-59,419.44

Finding the Fourth Proportional to 82,077.12, 113,202 and 59,419.44

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Solution

The fourth proportional to 82,077.12, 113,202 and 59,419.44 is: 81,952.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,077.12 : 113,202 = 59,419.44 : x
  2. Step 2: Convert to fraction form
    82,077.12/113,202 = 59,419.44/x
  3. Step 3: Cross multiply
    82,077.12x = 113,202 × 59,419.44
  4. Step 4: Simplify right side
    82,077.12x = 6,726,399,446.88
  5. Step 5: Solve for x
    x = 6,726,399,446.88/82,077.12
  6. Step 6: Final answer
    x = 81,952.19

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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.