Home / 55,897.05-83,827.77-18,450.15

Finding the Fourth Proportional to 55,897.05, 83,827.77 and 18,450.15

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Solution

The fourth proportional to 55,897.05, 83,827.77 and 18,450.15 is: 27,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,897.05 : 83,827.77 = 18,450.15 : x
  2. Step 2: Convert to fraction form
    55,897.05/83,827.77 = 18,450.15/x
  3. Step 3: Cross multiply
    55,897.05x = 83,827.77 × 18,450.15
  4. Step 4: Simplify right side
    55,897.05x = 1,546,634,930.67
  5. Step 5: Solve for x
    x = 1,546,634,930.67/55,897.05
  6. Step 6: Final answer
    x = 27,669.35

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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.