Home / 109,464.52-151,076.70-79,349.53

Finding the Fourth Proportional to 109,464.52, 151,076.70 and 79,349.53

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Solution

The fourth proportional to 109,464.52, 151,076.70 and 79,349.53 is: 109,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,464.52 : 151,076.70 = 79,349.53 : x
  2. Step 2: Convert to fraction form
    109,464.52/151,076.70 = 79,349.53/x
  3. Step 3: Cross multiply
    109,464.52x = 151,076.70 × 79,349.53
  4. Step 4: Simplify right side
    109,464.52x = 11,987,865,138.95
  5. Step 5: Solve for x
    x = 11,987,865,138.95/109,464.52
  6. Step 6: Final answer
    x = 109,513.70

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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.