Home / 81,890.43-113,011.31-44,597.17

Finding the Fourth Proportional to 81,890.43, 113,011.31 and 44,597.17

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Solution

The fourth proportional to 81,890.43, 113,011.31 and 44,597.17 is: 61,545.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,890.43 : 113,011.31 = 44,597.17 : x
  2. Step 2: Convert to fraction form
    81,890.43/113,011.31 = 44,597.17/x
  3. Step 3: Cross multiply
    81,890.43x = 113,011.31 × 44,597.17
  4. Step 4: Simplify right side
    81,890.43x = 5,039,984,265.72
  5. Step 5: Solve for x
    x = 5,039,984,265.72/81,890.43
  6. Step 6: Final answer
    x = 61,545.46

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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.