Home / 66,582.87-91,917.50-41,103.28

Finding the Fourth Proportional to 66,582.87, 91,917.50 and 41,103.28

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Solution

The fourth proportional to 66,582.87, 91,917.50 and 41,103.28 is: 56,742.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,582.87 : 91,917.50 = 41,103.28 : x
  2. Step 2: Convert to fraction form
    66,582.87/91,917.50 = 41,103.28/x
  3. Step 3: Cross multiply
    66,582.87x = 91,917.50 × 41,103.28
  4. Step 4: Simplify right side
    66,582.87x = 3,778,110,957.06
  5. Step 5: Solve for x
    x = 3,778,110,957.06/66,582.87
  6. Step 6: Final answer
    x = 56,742.99

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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.