Home / 81,852.03-122,777.73-22,687.56

Finding the Fourth Proportional to 81,852.03, 122,777.73 and 22,687.56

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Solution

The fourth proportional to 81,852.03, 122,777.73 and 22,687.56 is: 34,031.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,852.03 : 122,777.73 = 22,687.56 : x
  2. Step 2: Convert to fraction form
    81,852.03/122,777.73 = 22,687.56/x
  3. Step 3: Cross multiply
    81,852.03x = 122,777.73 × 22,687.56
  4. Step 4: Simplify right side
    81,852.03x = 2,785,527,116.04
  5. Step 5: Solve for x
    x = 2,785,527,116.04/81,852.03
  6. Step 6: Final answer
    x = 34,031.25

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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.