Home / 81,835.00-122,640.50-61,828.04

Finding the Fourth Proportional to 81,835.00, 122,640.50 and 61,828.04

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Solution

The fourth proportional to 81,835.00, 122,640.50 and 61,828.04 is: 92,657.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,835.00 : 122,640.50 = 61,828.04 : x
  2. Step 2: Convert to fraction form
    81,835.00/122,640.50 = 61,828.04/x
  3. Step 3: Cross multiply
    81,835.00x = 122,640.50 × 61,828.04
  4. Step 4: Simplify right side
    81,835.00x = 7,582,622,200.79
  5. Step 5: Solve for x
    x = 7,582,622,200.79/81,835.00
  6. Step 6: Final answer
    x = 92,657.45

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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.