Home / 59,308.09-81,874.85-40,288.48

Finding the Fourth Proportional to 59,308.09, 81,874.85 and 40,288.48

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Solution

The fourth proportional to 59,308.09, 81,874.85 and 40,288.48 is: 55,618.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,308.09 : 81,874.85 = 40,288.48 : x
  2. Step 2: Convert to fraction form
    59,308.09/81,874.85 = 40,288.48/x
  3. Step 3: Cross multiply
    59,308.09x = 81,874.85 × 40,288.48
  4. Step 4: Simplify right side
    59,308.09x = 3,298,612,850.60
  5. Step 5: Solve for x
    x = 3,298,612,850.60/59,308.09
  6. Step 6: Final answer
    x = 55,618.26

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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.