Home / 83,664.54-115,457.92-45,424.44

Finding the Fourth Proportional to 83,664.54, 115,457.92 and 45,424.44

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Solution

The fourth proportional to 83,664.54, 115,457.92 and 45,424.44 is: 62,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,664.54 : 115,457.92 = 45,424.44 : x
  2. Step 2: Convert to fraction form
    83,664.54/115,457.92 = 45,424.44/x
  3. Step 3: Cross multiply
    83,664.54x = 115,457.92 × 45,424.44
  4. Step 4: Simplify right side
    83,664.54x = 5,244,611,246.00
  5. Step 5: Solve for x
    x = 5,244,611,246.00/83,664.54
  6. Step 6: Final answer
    x = 62,686.19

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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.