Home / 85,650.40-118,197.64-47,924.56

Finding the Fourth Proportional to 85,650.40, 118,197.64 and 47,924.56

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Solution

The fourth proportional to 85,650.40, 118,197.64 and 47,924.56 is: 66,135.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,650.40 : 118,197.64 = 47,924.56 : x
  2. Step 2: Convert to fraction form
    85,650.40/118,197.64 = 47,924.56/x
  3. Step 3: Cross multiply
    85,650.40x = 118,197.64 × 47,924.56
  4. Step 4: Simplify right side
    85,650.40x = 5,664,569,890.04
  5. Step 5: Solve for x
    x = 5,664,569,890.04/85,650.40
  6. Step 6: Final answer
    x = 66,135.94

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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.