Home / 114,735.42-172,077.12-43,632.60

Finding the Fourth Proportional to 114,735.42, 172,077.12 and 43,632.60

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Solution

The fourth proportional to 114,735.42, 172,077.12 and 43,632.60 is: 65,439.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,735.42 : 172,077.12 = 43,632.60 : x
  2. Step 2: Convert to fraction form
    114,735.42/172,077.12 = 43,632.60/x
  3. Step 3: Cross multiply
    114,735.42x = 172,077.12 × 43,632.60
  4. Step 4: Simplify right side
    114,735.42x = 7,508,172,146.11
  5. Step 5: Solve for x
    x = 7,508,172,146.11/114,735.42
  6. Step 6: Final answer
    x = 65,439.01

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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.