Home / 81,823.22-112,902.89-46,011.09

Finding the Fourth Proportional to 81,823.22, 112,902.89 and 46,011.09

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Solution

The fourth proportional to 81,823.22, 112,902.89 and 46,011.09 is: 63,487.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,823.22 : 112,902.89 = 46,011.09 : x
  2. Step 2: Convert to fraction form
    81,823.22/112,902.89 = 46,011.09/x
  3. Step 3: Cross multiply
    81,823.22x = 112,902.89 × 46,011.09
  4. Step 4: Simplify right side
    81,823.22x = 5,194,785,033.05
  5. Step 5: Solve for x
    x = 5,194,785,033.05/81,823.22
  6. Step 6: Final answer
    x = 63,487.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.