Home / 85,493.64-117,987.33-47,252.36

Finding the Fourth Proportional to 85,493.64, 117,987.33 and 47,252.36

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Solution

The fourth proportional to 85,493.64, 117,987.33 and 47,252.36 is: 65,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,493.64 : 117,987.33 = 47,252.36 : x
  2. Step 2: Convert to fraction form
    85,493.64/117,987.33 = 47,252.36/x
  3. Step 3: Cross multiply
    85,493.64x = 117,987.33 × 47,252.36
  4. Step 4: Simplify right side
    85,493.64x = 5,575,179,792.60
  5. Step 5: Solve for x
    x = 5,575,179,792.60/85,493.64
  6. Step 6: Final answer
    x = 65,211.63

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1.5x scale

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.