Home / 66,582.65-91,917.20-41,103.06

Finding the Fourth Proportional to 66,582.65, 91,917.20 and 41,103.06

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Solution

The fourth proportional to 66,582.65, 91,917.20 and 41,103.06 is: 56,742.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,582.65 : 91,917.20 = 41,103.06 : x
  2. Step 2: Convert to fraction form
    66,582.65/91,917.20 = 41,103.06/x
  3. Step 3: Cross multiply
    66,582.65x = 91,917.20 × 41,103.06
  4. Step 4: Simplify right side
    66,582.65x = 3,778,078,346.13
  5. Step 5: Solve for x
    x = 3,778,078,346.13/66,582.65
  6. Step 6: Final answer
    x = 56,742.68

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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.