Home / 81,647.01-112,669.25-45,836.37

Finding the Fourth Proportional to 81,647.01, 112,669.25 and 45,836.37

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Solution

The fourth proportional to 81,647.01, 112,669.25 and 45,836.37 is: 63,252.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,647.01 : 112,669.25 = 45,836.37 : x
  2. Step 2: Convert to fraction form
    81,647.01/112,669.25 = 45,836.37/x
  3. Step 3: Cross multiply
    81,647.01x = 112,669.25 × 45,836.37
  4. Step 4: Simplify right side
    81,647.01x = 5,164,349,201.44
  5. Step 5: Solve for x
    x = 5,164,349,201.44/81,647.01
  6. Step 6: Final answer
    x = 63,252.15

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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.