Home / 85,257.60-117,651.84-47,531.52

Finding the Fourth Proportional to 85,257.60, 117,651.84 and 47,531.52

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Solution

The fourth proportional to 85,257.60, 117,651.84 and 47,531.52 is: 65,591.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,257.60 : 117,651.84 = 47,531.52 : x
  2. Step 2: Convert to fraction form
    85,257.60/117,651.84 = 47,531.52/x
  3. Step 3: Cross multiply
    85,257.60x = 117,651.84 × 47,531.52
  4. Step 4: Simplify right side
    85,257.60x = 5,592,170,786.00
  5. Step 5: Solve for x
    x = 5,592,170,786.00/85,257.60
  6. Step 6: Final answer
    x = 65,591.46

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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.