Home / 55,339.11-83,008.71-49,815.63

Finding the Fourth Proportional to 55,339.11, 83,008.71 and 49,815.63

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Solution

The fourth proportional to 55,339.11, 83,008.71 and 49,815.63 is: 74,723.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,339.11 : 83,008.71 = 49,815.63 : x
  2. Step 2: Convert to fraction form
    55,339.11/83,008.71 = 49,815.63/x
  3. Step 3: Cross multiply
    55,339.11x = 83,008.71 × 49,815.63
  4. Step 4: Simplify right side
    55,339.11x = 4,135,131,184.14
  5. Step 5: Solve for x
    x = 4,135,131,184.14/55,339.11
  6. Step 6: Final answer
    x = 74,723.49

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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.