Home / 109,791.86-151,429.16-94,504.42

Finding the Fourth Proportional to 109,791.86, 151,429.16 and 94,504.42

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Solution

The fourth proportional to 109,791.86, 151,429.16 and 94,504.42 is: 130,344.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,791.86 : 151,429.16 = 94,504.42 : x
  2. Step 2: Convert to fraction form
    109,791.86/151,429.16 = 94,504.42/x
  3. Step 3: Cross multiply
    109,791.86x = 151,429.16 × 94,504.42
  4. Step 4: Simplify right side
    109,791.86x = 14,310,723,707.22
  5. Step 5: Solve for x
    x = 14,310,723,707.22/109,791.86
  6. Step 6: Final answer
    x = 130,344.12

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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.