Home / 85,917.12-118,566.27-47,676.81

Finding the Fourth Proportional to 85,917.12, 118,566.27 and 47,676.81

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Solution

The fourth proportional to 85,917.12, 118,566.27 and 47,676.81 is: 65,794.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,917.12 : 118,566.27 = 47,676.81 : x
  2. Step 2: Convert to fraction form
    85,917.12/118,566.27 = 47,676.81/x
  3. Step 3: Cross multiply
    85,917.12x = 118,566.27 × 47,676.81
  4. Step 4: Simplify right side
    85,917.12x = 5,652,861,527.20
  5. Step 5: Solve for x
    x = 5,652,861,527.20/85,917.12
  6. Step 6: Final answer
    x = 65,794.36

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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.