Home / 81,695.02-122,539.19-22,529.11

Finding the Fourth Proportional to 81,695.02, 122,539.19 and 22,529.11

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Solution

The fourth proportional to 81,695.02, 122,539.19 and 22,529.11 is: 33,792.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,695.02 : 122,539.19 = 22,529.11 : x
  2. Step 2: Convert to fraction form
    81,695.02/122,539.19 = 22,529.11/x
  3. Step 3: Cross multiply
    81,695.02x = 122,539.19 × 22,529.11
  4. Step 4: Simplify right side
    81,695.02x = 2,760,698,890.82
  5. Step 5: Solve for x
    x = 2,760,698,890.82/81,695.02
  6. Step 6: Final answer
    x = 33,792.74

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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.