Home / 85,265.21-117,672.66-47,028.21

Finding the Fourth Proportional to 85,265.21, 117,672.66 and 47,028.21

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Solution

The fourth proportional to 85,265.21, 117,672.66 and 47,028.21 is: 64,902.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,265.21 : 117,672.66 = 47,028.21 : x
  2. Step 2: Convert to fraction form
    85,265.21/117,672.66 = 47,028.21/x
  3. Step 3: Cross multiply
    85,265.21x = 117,672.66 × 47,028.21
  4. Step 4: Simplify right side
    85,265.21x = 5,533,934,565.74
  5. Step 5: Solve for x
    x = 5,533,934,565.74/85,265.21
  6. Step 6: Final answer
    x = 64,902.61

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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.