Home / 85,460.26-117,937.02-47,734.60

Finding the Fourth Proportional to 85,460.26, 117,937.02 and 47,734.60

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Solution

The fourth proportional to 85,460.26, 117,937.02 and 47,734.60 is: 65,874.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,460.26 : 117,937.02 = 47,734.60 : x
  2. Step 2: Convert to fraction form
    85,460.26/117,937.02 = 47,734.60/x
  3. Step 3: Cross multiply
    85,460.26x = 117,937.02 × 47,734.60
  4. Step 4: Simplify right side
    85,460.26x = 5,629,676,474.89
  5. Step 5: Solve for x
    x = 5,629,676,474.89/85,460.26
  6. Step 6: Final answer
    x = 65,874.79

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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.