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Finding the Fourth Proportional to 55,552, 83,336.69 and 18,103.38

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Solution

The fourth proportional to 55,552, 83,336.69 and 18,103.38 is: 27,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,552 : 83,336.69 = 18,103.38 : x
  2. Step 2: Convert to fraction form
    55,552/83,336.69 = 18,103.38/x
  3. Step 3: Cross multiply
    55,552x = 83,336.69 × 18,103.38
  4. Step 4: Simplify right side
    55,552x = 1,508,675,767.01
  5. Step 5: Solve for x
    x = 1,508,675,767.01/55,552
  6. Step 6: Final answer
    x = 27,157.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.