Home / 78,664.82-108,558.19-44,674.01

Finding the Fourth Proportional to 78,664.82, 108,558.19 and 44,674.01

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Solution

The fourth proportional to 78,664.82, 108,558.19 and 44,674.01 is: 61,650.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,664.82 : 108,558.19 = 44,674.01 : x
  2. Step 2: Convert to fraction form
    78,664.82/108,558.19 = 44,674.01/x
  3. Step 3: Cross multiply
    78,664.82x = 108,558.19 × 44,674.01
  4. Step 4: Simplify right side
    78,664.82x = 4,849,729,665.64
  5. Step 5: Solve for x
    x = 4,849,729,665.64/78,664.82
  6. Step 6: Final answer
    x = 61,650.56

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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.