Home / 47,168.12-65,038.66-36,388.64

Finding the Fourth Proportional to 47,168.12, 65,038.66 and 36,388.64

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Solution

The fourth proportional to 47,168.12, 65,038.66 and 36,388.64 is: 50,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,168.12 : 65,038.66 = 36,388.64 : x
  2. Step 2: Convert to fraction form
    47,168.12/65,038.66 = 36,388.64/x
  3. Step 3: Cross multiply
    47,168.12x = 65,038.66 × 36,388.64
  4. Step 4: Simplify right side
    47,168.12x = 2,366,667,968.66
  5. Step 5: Solve for x
    x = 2,366,667,968.66/47,168.12
  6. Step 6: Final answer
    x = 50,175.17

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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.