Home / 85,410.22-117,864.09-47,169.01

Finding the Fourth Proportional to 85,410.22, 117,864.09 and 47,169.01

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Solution

The fourth proportional to 85,410.22, 117,864.09 and 47,169.01 is: 65,092.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,410.22 : 117,864.09 = 47,169.01 : x
  2. Step 2: Convert to fraction form
    85,410.22/117,864.09 = 47,169.01/x
  3. Step 3: Cross multiply
    85,410.22x = 117,864.09 × 47,169.01
  4. Step 4: Simplify right side
    85,410.22x = 5,559,532,439.85
  5. Step 5: Solve for x
    x = 5,559,532,439.85/85,410.22
  6. Step 6: Final answer
    x = 65,092.12

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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.