Home / 85,266.85-117,659.19-47,023.86

Finding the Fourth Proportional to 85,266.85, 117,659.19 and 47,023.86

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Solution

The fourth proportional to 85,266.85, 117,659.19 and 47,023.86 is: 64,887.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,266.85 : 117,659.19 = 47,023.86 : x
  2. Step 2: Convert to fraction form
    85,266.85/117,659.19 = 47,023.86/x
  3. Step 3: Cross multiply
    85,266.85x = 117,659.19 × 47,023.86
  4. Step 4: Simplify right side
    85,266.85x = 5,532,789,278.27
  5. Step 5: Solve for x
    x = 5,532,789,278.27/85,266.85
  6. Step 6: Final answer
    x = 64,887.93

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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.