Home / 55,355.10-83,251.35-49,668.90

Finding the Fourth Proportional to 55,355.10, 83,251.35 and 49,668.90

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Solution

The fourth proportional to 55,355.10, 83,251.35 and 49,668.90 is: 74,699.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,355.10 : 83,251.35 = 49,668.90 : x
  2. Step 2: Convert to fraction form
    55,355.10/83,251.35 = 49,668.90/x
  3. Step 3: Cross multiply
    55,355.10x = 83,251.35 × 49,668.90
  4. Step 4: Simplify right side
    55,355.10x = 4,135,002,978.02
  5. Step 5: Solve for x
    x = 4,135,002,978.02/55,355.10
  6. Step 6: Final answer
    x = 74,699.58

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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.