Home / 114,729.42-172,138.26-55,560.54

Finding the Fourth Proportional to 114,729.42, 172,138.26 and 55,560.54

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Solution

The fourth proportional to 114,729.42, 172,138.26 and 55,560.54 is: 83,362.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,729.42 : 172,138.26 = 55,560.54 : x
  2. Step 2: Convert to fraction form
    114,729.42/172,138.26 = 55,560.54/x
  3. Step 3: Cross multiply
    114,729.42x = 172,138.26 × 55,560.54
  4. Step 4: Simplify right side
    114,729.42x = 9,564,094,680.26
  5. Step 5: Solve for x
    x = 9,564,094,680.26/114,729.42
  6. Step 6: Final answer
    x = 83,362.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.