Home / 85,132.94-117,486.56-52,885.33

Finding the Fourth Proportional to 85,132.94, 117,486.56 and 52,885.33

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Solution

The fourth proportional to 85,132.94, 117,486.56 and 52,885.33 is: 72,983.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,132.94 : 117,486.56 = 52,885.33 : x
  2. Step 2: Convert to fraction form
    85,132.94/117,486.56 = 52,885.33/x
  3. Step 3: Cross multiply
    85,132.94x = 117,486.56 × 52,885.33
  4. Step 4: Simplify right side
    85,132.94x = 6,213,315,334.66
  5. Step 5: Solve for x
    x = 6,213,315,334.66/85,132.94
  6. Step 6: Final answer
    x = 72,983.69

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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.