Home / 55,664.73-76,919.04-40,531.03

Finding the Fourth Proportional to 55,664.73, 76,919.04 and 40,531.03

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Solution

The fourth proportional to 55,664.73, 76,919.04 and 40,531.03 is: 56,006.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,664.73 : 76,919.04 = 40,531.03 : x
  2. Step 2: Convert to fraction form
    55,664.73/76,919.04 = 40,531.03/x
  3. Step 3: Cross multiply
    55,664.73x = 76,919.04 × 40,531.03
  4. Step 4: Simplify right side
    55,664.73x = 3,117,607,725.51
  5. Step 5: Solve for x
    x = 3,117,607,725.51/55,664.73
  6. Step 6: Final answer
    x = 56,006.88

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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.