Home / 55,186.90-76,172.56-33,983.93

Finding the Fourth Proportional to 55,186.90, 76,172.56 and 33,983.93

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Solution

The fourth proportional to 55,186.90, 76,172.56 and 33,983.93 is: 46,906.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,186.90 : 76,172.56 = 33,983.93 : x
  2. Step 2: Convert to fraction form
    55,186.90/76,172.56 = 33,983.93/x
  3. Step 3: Cross multiply
    55,186.90x = 76,172.56 × 33,983.93
  4. Step 4: Simplify right side
    55,186.90x = 2,588,642,946.96
  5. Step 5: Solve for x
    x = 2,588,642,946.96/55,186.90
  6. Step 6: Final answer
    x = 46,906.84

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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.