Home / 85,261.72-117,659.62-47,024.80

Finding the Fourth Proportional to 85,261.72, 117,659.62 and 47,024.80

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Solution

The fourth proportional to 85,261.72, 117,659.62 and 47,024.80 is: 64,893.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,261.72 : 117,659.62 = 47,024.80 : x
  2. Step 2: Convert to fraction form
    85,261.72/117,659.62 = 47,024.80/x
  3. Step 3: Cross multiply
    85,261.72x = 117,659.62 × 47,024.80
  4. Step 4: Simplify right side
    85,261.72x = 5,532,920,098.58
  5. Step 5: Solve for x
    x = 5,532,920,098.58/85,261.72
  6. Step 6: Final answer
    x = 64,893.37

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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.