Home / 81,890.73-122,608.00-41,822.96

Finding the Fourth Proportional to 81,890.73, 122,608.00 and 41,822.96

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Solution

The fourth proportional to 81,890.73, 122,608.00 and 41,822.96 is: 62,617.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,890.73 : 122,608.00 = 41,822.96 : x
  2. Step 2: Convert to fraction form
    81,890.73/122,608.00 = 41,822.96/x
  3. Step 3: Cross multiply
    81,890.73x = 122,608.00 × 41,822.96
  4. Step 4: Simplify right side
    81,890.73x = 5,127,829,381.38
  5. Step 5: Solve for x
    x = 5,127,829,381.38/81,890.73
  6. Step 6: Final answer
    x = 62,617.94

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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.