Home / 109,941.70-151,716.75-61,544.20

Finding the Fourth Proportional to 109,941.70, 151,716.75 and 61,544.20

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Solution

The fourth proportional to 109,941.70, 151,716.75 and 61,544.20 is: 84,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,941.70 : 151,716.75 = 61,544.20 : x
  2. Step 2: Convert to fraction form
    109,941.70/151,716.75 = 61,544.20/x
  3. Step 3: Cross multiply
    109,941.70x = 151,716.75 × 61,544.20
  4. Step 4: Simplify right side
    109,941.70x = 9,337,286,005.35
  5. Step 5: Solve for x
    x = 9,337,286,005.35/109,941.70
  6. Step 6: Final answer
    x = 84,929.43

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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.