Home / 114,731.40-172,071.12-43,628.60

Finding the Fourth Proportional to 114,731.40, 172,071.12 and 43,628.60

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Solution

The fourth proportional to 114,731.40, 172,071.12 and 43,628.60 is: 65,433.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,731.40 : 172,071.12 = 43,628.60 : x
  2. Step 2: Convert to fraction form
    114,731.40/172,071.12 = 43,628.60/x
  3. Step 3: Cross multiply
    114,731.40x = 172,071.12 × 43,628.60
  4. Step 4: Simplify right side
    114,731.40x = 7,507,222,066.03
  5. Step 5: Solve for x
    x = 7,507,222,066.03/114,731.40
  6. Step 6: Final answer
    x = 65,433.02

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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.