Home / 81,562.55-122,330.73-22,384.40

Finding the Fourth Proportional to 81,562.55, 122,330.73 and 22,384.40

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Solution

The fourth proportional to 81,562.55, 122,330.73 and 22,384.40 is: 33,573.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,562.55 : 122,330.73 = 22,384.40 : x
  2. Step 2: Convert to fraction form
    81,562.55/122,330.73 = 22,384.40/x
  3. Step 3: Cross multiply
    81,562.55x = 122,330.73 × 22,384.40
  4. Step 4: Simplify right side
    81,562.55x = 2,738,299,992.61
  5. Step 5: Solve for x
    x = 2,738,299,992.61/81,562.55
  6. Step 6: Final answer
    x = 33,573.01

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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.