Home / 81,922.17-122,882.04-26,518.17

Finding the Fourth Proportional to 81,922.17, 122,882.04 and 26,518.17

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Solution

The fourth proportional to 81,922.17, 122,882.04 and 26,518.17 is: 39,776.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,922.17 : 122,882.04 = 26,518.17 : x
  2. Step 2: Convert to fraction form
    81,922.17/122,882.04 = 26,518.17/x
  3. Step 3: Cross multiply
    81,922.17x = 122,882.04 × 26,518.17
  4. Step 4: Simplify right side
    81,922.17x = 3,258,606,826.67
  5. Step 5: Solve for x
    x = 3,258,606,826.67/81,922.17
  6. Step 6: Final answer
    x = 39,776.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.