Home / 85,008.02-117,310.75-47,282.27

Finding the Fourth Proportional to 85,008.02, 117,310.75 and 47,282.27

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Solution

The fourth proportional to 85,008.02, 117,310.75 and 47,282.27 is: 65,249.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,008.02 : 117,310.75 = 47,282.27 : x
  2. Step 2: Convert to fraction form
    85,008.02/117,310.75 = 47,282.27/x
  3. Step 3: Cross multiply
    85,008.02x = 117,310.75 × 47,282.27
  4. Step 4: Simplify right side
    85,008.02x = 5,546,717,850.64
  5. Step 5: Solve for x
    x = 5,546,717,850.64/85,008.02
  6. Step 6: Final answer
    x = 65,249.35

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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.