Home / 80,582.67-111,114.41-55,093.17

Finding the Fourth Proportional to 80,582.67, 111,114.41 and 55,093.17

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Solution

The fourth proportional to 80,582.67, 111,114.41 and 55,093.17 is: 75,967.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,582.67 : 111,114.41 = 55,093.17 : x
  2. Step 2: Convert to fraction form
    80,582.67/111,114.41 = 55,093.17/x
  3. Step 3: Cross multiply
    80,582.67x = 111,114.41 × 55,093.17
  4. Step 4: Simplify right side
    80,582.67x = 6,121,644,804.11
  5. Step 5: Solve for x
    x = 6,121,644,804.11/80,582.67
  6. Step 6: Final answer
    x = 75,967.26

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1.5x scale

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.