Home / 85,353.24-117,781.38-47,105.16

Finding the Fourth Proportional to 85,353.24, 117,781.38 and 47,105.16

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Solution

The fourth proportional to 85,353.24, 117,781.38 and 47,105.16 is: 65,001.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,353.24 : 117,781.38 = 47,105.16 : x
  2. Step 2: Convert to fraction form
    85,353.24/117,781.38 = 47,105.16/x
  3. Step 3: Cross multiply
    85,353.24x = 117,781.38 × 47,105.16
  4. Step 4: Simplify right side
    85,353.24x = 5,548,110,749.92
  5. Step 5: Solve for x
    x = 5,548,110,749.92/85,353.24
  6. Step 6: Final answer
    x = 65,001.76

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1.5x scale

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.